20094420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 58786560

約数和(自身を除く): 38692140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 71, 89, 106, 142, 159, 178, 212, 213, 265, 267, 284, 318, 355, 356, 426, 445, 530, 534, 636, 710, 795, 852, 890, 1060, 1065, 1068, 1335, 1420, 1590, 1780, 2130, 2670, 3180, 3763, 4260, 4717, 5340, 6319, 7526, 9434, 11289, 12638, 14151, 15052, 18815, 18868, 18957, 22578, 23585, 25276, 28302, 31595, 37630, 37914, 45156, 47170, 56445, 56604, 63190, 70755, 75260, 75828, 94340, 94785, 112890, 126380, 141510, 189570, 225780, 283020, 334907, 379140, 669814, 1004721, 1339628, 1674535, 2009442, 3349070, 4018884, 5023605, 6698140, 10047210, 20094420]

約数ペア:

[(1, 20094420), (2, 10047210), (3, 6698140), (4, 5023605), (5, 4018884), (6, 3349070), (10, 2009442), (12, 1674535), (15, 1339628), (20, 1004721), (30, 669814), (53, 379140), (60, 334907), (71, 283020), (89, 225780), (106, 189570), (142, 141510), (159, 126380), (178, 112890), (212, 94785), (213, 94340), (265, 75828), (267, 75260), (284, 70755), (318, 63190), (355, 56604), (356, 56445), (426, 47170), (445, 45156), (530, 37914), (534, 37630), (636, 31595), (710, 28302), (795, 25276), (852, 23585), (890, 22578), (1060, 18957), (1065, 18868), (1068, 18815), (1335, 15052), (1420, 14151), (1590, 12638), (1780, 11289), (2130, 9434), (2670, 7526), (3180, 6319), (3763, 5340), (4260, 4717)]