20312130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21841}}^1$

素因数の和:21882

約数の個数: 32

約数和(自身を含む): 50323968

約数和(自身を除く): 30011838

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 21841, 43682, 65523, 109205, 131046, 218410, 327615, 655230, 677071, 1354142, 2031213, 3385355, 4062426, 6770710, 10156065, 20312130]

約数ペア:

[(1, 20312130), (2, 10156065), (3, 6770710), (5, 4062426), (6, 3385355), (10, 2031213), (15, 1354142), (30, 677071), (31, 655230), (62, 327615), (93, 218410), (155, 131046), (186, 109205), (310, 65523), (465, 43682), (930, 21841)]