20009465520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^2\times {\mathrm{743}}^1$

素因数の和:972

約数の個数: 240

約数和(自身を含む): 68436976896

約数和(自身を除く): 48427511376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 101, 110, 120, 132, 165, 176, 202, 220, 240, 264, 303, 330, 404, 440, 505, 528, 606, 660, 743, 808, 880, 1010, 1111, 1212, 1320, 1486, 1515, 1616, 2020, 2222, 2229, 2424, 2640, 2972, 3030, 3333, 3715, 4040, 4444, 4458, 4848, 5555, 5944, 6060, 6666, 7430, 8080, 8173, 8888, 8916, 10201, 11110, 11145, 11888, 12120, 13332, 14860, 16346, 16665, 17776, 17832, 20402, 22220, 22290, 24240, 24519, 26664, 29720, 30603, 32692, 33330, 35664, 40804, 40865, 44440, 44580, 49038, 51005, 53328, 59440, 61206, 65384, 66660, 75043, 81608, 81730, 88880, 89160, 98076, 102010, 112211, 122412, 122595, 130768, 133320, 150086, 153015, 163216, 163460, 178320, 196152, 204020, 224422, 225129, 244824, 245190, 266640, 300172, 306030, 326920, 336633, 375215, 392304, 408040, 448844, 450258, 489648, 490380, 561055, 600344, 612060, 653840, 673266, 750430, 816080, 825473, 897688, 900516, 980760, 1122110, 1125645, 1200688, 1224120, 1346532, 1500860, 1650946, 1683165, 1795376, 1801032, 1961520, 2244220, 2251290, 2448240, 2476419, 2693064, 3001720, 3301892, 3366330, 3602064, 4127365, 4488440, 4502580, 4952838, 5386128, 6003440, 6603784, 6732660, 7579343, 8254730, 8976880, 9005160, 9905676, 12382095, 13207568, 13465320, 15158686, 16509460, 18010320, 19811352, 22738029, 24764190, 26930640, 30317372, 33018920, 37896715, 39622704, 45476058, 49528380, 60634744, 66037840, 75793430, 83372773, 90952116, 99056760, 113690145, 121269488, 151586860, 166745546, 181904232, 198113520, 227380290, 250118319, 303173720, 333491092, 363808464, 416863865, 454760580, 500236638, 606347440, 666982184, 833727730, 909521160, 1000473276, 1250591595, 1333964368, 1667455460, 1819042320, 2000946552, 2501183190, 3334910920, 4001893104, 5002366380, 6669821840, 10004732760, 20009465520]

約数ペア:

[(1, 20009465520), (2, 10004732760), (3, 6669821840), (4, 5002366380), (5, 4001893104), (6, 3334910920), (8, 2501183190), (10, 2000946552), (11, 1819042320), (12, 1667455460), (15, 1333964368), (16, 1250591595), (20, 1000473276), (22, 909521160), (24, 833727730), (30, 666982184), (33, 606347440), (40, 500236638), (44, 454760580), (48, 416863865), (55, 363808464), (60, 333491092), (66, 303173720), (80, 250118319), (88, 227380290), (101, 198113520), (110, 181904232), (120, 166745546), (132, 151586860), (165, 121269488), (176, 113690145), (202, 99056760), (220, 90952116), (240, 83372773), (264, 75793430), (303, 66037840), (330, 60634744), (404, 49528380), (440, 45476058), (505, 39622704), (528, 37896715), (606, 33018920), (660, 30317372), (743, 26930640), (808, 24764190), (880, 22738029), (1010, 19811352), (1111, 18010320), (1212, 16509460), (1320, 15158686), (1486, 13465320), (1515, 13207568), (1616, 12382095), (2020, 9905676), (2222, 9005160), (2229, 8976880), (2424, 8254730), (2640, 7579343), (2972, 6732660), (3030, 6603784), (3333, 6003440), (3715, 5386128), (4040, 4952838), (4444, 4502580), (4458, 4488440), (4848, 4127365), (5555, 3602064), (5944, 3366330), (6060, 3301892), (6666, 3001720), (7430, 2693064), (8080, 2476419), (8173, 2448240), (8888, 2251290), (8916, 2244220), (10201, 1961520), (11110, 1801032), (11145, 1795376), (11888, 1683165), (12120, 1650946), (13332, 1500860), (14860, 1346532), (16346, 1224120), (16665, 1200688), (17776, 1125645), (17832, 1122110), (20402, 980760), (22220, 900516), (22290, 897688), (24240, 825473), (24519, 816080), (26664, 750430), (29720, 673266), (30603, 653840), (32692, 612060), (33330, 600344), (35664, 561055), (40804, 490380), (40865, 489648), (44440, 450258), (44580, 448844), (49038, 408040), (51005, 392304), (53328, 375215), (59440, 336633), (61206, 326920), (65384, 306030), (66660, 300172), (75043, 266640), (81608, 245190), (81730, 244824), (88880, 225129), (89160, 224422), (98076, 204020), (102010, 196152), (112211, 178320), (122412, 163460), (122595, 163216), (130768, 153015), (133320, 150086)]