20051700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 58746240

約数和(自身を除く): 38694540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 89, 100, 150, 178, 267, 300, 356, 445, 534, 751, 890, 1068, 1335, 1502, 1780, 2225, 2253, 2670, 3004, 3755, 4450, 4506, 5340, 6675, 7510, 8900, 9012, 11265, 13350, 15020, 18775, 22530, 26700, 37550, 45060, 56325, 66839, 75100, 112650, 133678, 200517, 225300, 267356, 334195, 401034, 668390, 802068, 1002585, 1336780, 1670975, 2005170, 3341950, 4010340, 5012925, 6683900, 10025850, 20051700]

約数ペア:

[(1, 20051700), (2, 10025850), (3, 6683900), (4, 5012925), (5, 4010340), (6, 3341950), (10, 2005170), (12, 1670975), (15, 1336780), (20, 1002585), (25, 802068), (30, 668390), (50, 401034), (60, 334195), (75, 267356), (89, 225300), (100, 200517), (150, 133678), (178, 112650), (267, 75100), (300, 66839), (356, 56325), (445, 45060), (534, 37550), (751, 26700), (890, 22530), (1068, 18775), (1335, 15020), (1502, 13350), (1780, 11265), (2225, 9012), (2253, 8900), (2670, 7510), (3004, 6675), (3755, 5340), (4450, 4506)]