20559510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7369}}^1$

素因数の和:7413

約数の個数: 48

約数和(自身を含む): 55186560

約数和(自身を除く): 34627050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7369, 14738, 22107, 36845, 44214, 66321, 73690, 110535, 132642, 221070, 228439, 331605, 456878, 663210, 685317, 1142195, 1370634, 2055951, 2284390, 3426585, 4111902, 6853170, 10279755, 20559510]

約数ペア:

[(1, 20559510), (2, 10279755), (3, 6853170), (5, 4111902), (6, 3426585), (9, 2284390), (10, 2055951), (15, 1370634), (18, 1142195), (30, 685317), (31, 663210), (45, 456878), (62, 331605), (90, 228439), (93, 221070), (155, 132642), (186, 110535), (279, 73690), (310, 66321), (465, 44214), (558, 36845), (930, 22107), (1395, 14738), (2790, 7369)]