20442370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2347}}^1$

素因数の和:2434

約数の個数: 32

約数和(自身を含む): 40235328

約数和(自身を除く): 19792958

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 2347, 4355, 4694, 8710, 11735, 23470, 30511, 61022, 152555, 157249, 305110, 314498, 786245, 1572490, 2044237, 4088474, 10221185, 20442370]

約数ペア:

[(1, 20442370), (2, 10221185), (5, 4088474), (10, 2044237), (13, 1572490), (26, 786245), (65, 314498), (67, 305110), (130, 157249), (134, 152555), (335, 61022), (670, 30511), (871, 23470), (1742, 11735), (2347, 8710), (4355, 4694)]