20155855560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{387911}}^1$

素因数の和:388358

約数の個数: 64

約数和(自身を含む): 60607370880

約数和(自身を除く): 40451515320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 433, 866, 1299, 1732, 2165, 2598, 3464, 4330, 5196, 6495, 8660, 10392, 12990, 17320, 25980, 51960, 387911, 775822, 1163733, 1551644, 1939555, 2327466, 3103288, 3879110, 4654932, 5818665, 7758220, 9309864, 11637330, 15516440, 23274660, 46549320, 167965463, 335930926, 503896389, 671861852, 839827315, 1007792778, 1343723704, 1679654630, 2015585556, 2519481945, 3359309260, 4031171112, 5038963890, 6718618520, 10077927780, 20155855560]

約数ペア:

[(1, 20155855560), (2, 10077927780), (3, 6718618520), (4, 5038963890), (5, 4031171112), (6, 3359309260), (8, 2519481945), (10, 2015585556), (12, 1679654630), (15, 1343723704), (20, 1007792778), (24, 839827315), (30, 671861852), (40, 503896389), (60, 335930926), (120, 167965463), (433, 46549320), (866, 23274660), (1299, 15516440), (1732, 11637330), (2165, 9309864), (2598, 7758220), (3464, 5818665), (4330, 4654932), (5196, 3879110), (6495, 3103288), (8660, 2327466), (10392, 1939555), (12990, 1551644), (17320, 1163733), (25980, 775822), (51960, 387911)]