20943510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:246

約数の個数: 128

約数和(自身を含む): 62899200

約数和(自身を除く): 41955690

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 29, 30, 35, 38, 42, 57, 58, 70, 87, 95, 105, 114, 133, 145, 174, 181, 190, 203, 210, 266, 285, 290, 362, 399, 406, 435, 543, 551, 570, 609, 665, 798, 870, 905, 1015, 1086, 1102, 1218, 1267, 1330, 1653, 1810, 1995, 2030, 2534, 2715, 2755, 3045, 3306, 3439, 3801, 3857, 3990, 5249, 5430, 5510, 6090, 6335, 6878, 7602, 7714, 8265, 10317, 10498, 11571, 12670, 15747, 16530, 17195, 19005, 19285, 20634, 23142, 24073, 26245, 31494, 34390, 36743, 38010, 38570, 48146, 51585, 52490, 57855, 72219, 73486, 78735, 99731, 103170, 110229, 115710, 120365, 144438, 157470, 183715, 199462, 220458, 240730, 299193, 361095, 367430, 498655, 551145, 598386, 698117, 722190, 997310, 1102290, 1396234, 1495965, 2094351, 2991930, 3490585, 4188702, 6981170, 10471755, 20943510]

約数ペア:

[(1, 20943510), (2, 10471755), (3, 6981170), (5, 4188702), (6, 3490585), (7, 2991930), (10, 2094351), (14, 1495965), (15, 1396234), (19, 1102290), (21, 997310), (29, 722190), (30, 698117), (35, 598386), (38, 551145), (42, 498655), (57, 367430), (58, 361095), (70, 299193), (87, 240730), (95, 220458), (105, 199462), (114, 183715), (133, 157470), (145, 144438), (174, 120365), (181, 115710), (190, 110229), (203, 103170), (210, 99731), (266, 78735), (285, 73486), (290, 72219), (362, 57855), (399, 52490), (406, 51585), (435, 48146), (543, 38570), (551, 38010), (570, 36743), (609, 34390), (665, 31494), (798, 26245), (870, 24073), (905, 23142), (1015, 20634), (1086, 19285), (1102, 19005), (1218, 17195), (1267, 16530), (1330, 15747), (1653, 12670), (1810, 11571), (1995, 10498), (2030, 10317), (2534, 8265), (2715, 7714), (2755, 7602), (3045, 6878), (3306, 6335), (3439, 6090), (3801, 5510), (3857, 5430), (3990, 5249)]