20775550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{1151}}^1$

素因数の和:1201

約数の個数: 36

約数和(自身を含む): 40818816

約数和(自身を除く): 20043266

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 361, 475, 722, 950, 1151, 1805, 2302, 3610, 5755, 9025, 11510, 18050, 21869, 28775, 43738, 57550, 109345, 218690, 415511, 546725, 831022, 1093450, 2077555, 4155110, 10387775, 20775550]

約数ペア:

[(1, 20775550), (2, 10387775), (5, 4155110), (10, 2077555), (19, 1093450), (25, 831022), (38, 546725), (50, 415511), (95, 218690), (190, 109345), (361, 57550), (475, 43738), (722, 28775), (950, 21869), (1151, 18050), (1805, 11510), (2302, 9025), (3610, 5755)]