20451857890

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1\times {\mathrm{59159}}^1$

素因数の和:59538

約数の個数: 32

約数和(自身を含む): 37211166720

約数和(自身を除く): 16759308830

約数列:

[1, 2, 5, 10, 181, 191, 362, 382, 905, 955, 1810, 1910, 34571, 59159, 69142, 118318, 172855, 295795, 345710, 591590, 10707779, 11299369, 21415558, 22598738, 53538895, 56496845, 107077790, 112993690, 2045185789, 4090371578, 10225928945, 20451857890]

約数ペア:

[(1, 20451857890), (2, 10225928945), (5, 4090371578), (10, 2045185789), (181, 112993690), (191, 107077790), (362, 56496845), (382, 53538895), (905, 22598738), (955, 21415558), (1810, 11299369), (1910, 10707779), (34571, 591590), (59159, 345710), (69142, 295795), (118318, 172855)]