20475739320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{148763}}^1$

素因数の和:148845

約数の個数: 128

約数和(自身を含む): 65122928640

約数和(自身を除く): 44647189320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 248, 296, 310, 370, 372, 444, 465, 555, 620, 740, 744, 888, 930, 1110, 1147, 1240, 1480, 1860, 2220, 2294, 3441, 3720, 4440, 4588, 5735, 6882, 9176, 11470, 13764, 17205, 22940, 27528, 34410, 45880, 68820, 137640, 148763, 297526, 446289, 595052, 743815, 892578, 1190104, 1487630, 1785156, 2231445, 2975260, 3570312, 4462890, 4611653, 5504231, 5950520, 8925780, 9223306, 11008462, 13834959, 16512693, 17851560, 18446612, 22016924, 23058265, 27521155, 27669918, 33025386, 36893224, 44033848, 46116530, 55042310, 55339836, 66050772, 69174795, 82563465, 92233060, 110084620, 110679672, 132101544, 138349590, 165126930, 170631161, 184466120, 220169240, 276699180, 330253860, 341262322, 511893483, 553398360, 660507720, 682524644, 853155805, 1023786966, 1365049288, 1706311610, 2047573932, 2559467415, 3412623220, 4095147864, 5118934830, 6825246440, 10237869660, 20475739320]

約数ペア:

[(1, 20475739320), (2, 10237869660), (3, 6825246440), (4, 5118934830), (5, 4095147864), (6, 3412623220), (8, 2559467415), (10, 2047573932), (12, 1706311610), (15, 1365049288), (20, 1023786966), (24, 853155805), (30, 682524644), (31, 660507720), (37, 553398360), (40, 511893483), (60, 341262322), (62, 330253860), (74, 276699180), (93, 220169240), (111, 184466120), (120, 170631161), (124, 165126930), (148, 138349590), (155, 132101544), (185, 110679672), (186, 110084620), (222, 92233060), (248, 82563465), (296, 69174795), (310, 66050772), (370, 55339836), (372, 55042310), (444, 46116530), (465, 44033848), (555, 36893224), (620, 33025386), (740, 27669918), (744, 27521155), (888, 23058265), (930, 22016924), (1110, 18446612), (1147, 17851560), (1240, 16512693), (1480, 13834959), (1860, 11008462), (2220, 9223306), (2294, 8925780), (3441, 5950520), (3720, 5504231), (4440, 4611653), (4588, 4462890), (5735, 3570312), (6882, 2975260), (9176, 2231445), (11470, 1785156), (13764, 1487630), (17205, 1190104), (22940, 892578), (27528, 743815), (34410, 595052), (45880, 446289), (68820, 297526), (137640, 148763)]