20121963560

素因数分解:

$2^3\times 5^1\times {\mathrm{751}}^1\times {\mathrm{669839}}^1$

素因数の和:670601

約数の個数: 32

約数和(自身を含む): 45334771200

約数和(自身を除く): 25212807640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 751, 1502, 3004, 3755, 6008, 7510, 15020, 30040, 669839, 1339678, 2679356, 3349195, 5358712, 6698390, 13396780, 26793560, 503049089, 1006098178, 2012196356, 2515245445, 4024392712, 5030490890, 10060981780, 20121963560]

約数ペア:

[(1, 20121963560), (2, 10060981780), (4, 5030490890), (5, 4024392712), (8, 2515245445), (10, 2012196356), (20, 1006098178), (40, 503049089), (751, 26793560), (1502, 13396780), (3004, 6698390), (3755, 5358712), (6008, 3349195), (7510, 2679356), (15020, 1339678), (30040, 669839)]