20542542

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{148859}}^1$

素因数の和:148887

約数の個数: 16

約数和(自身を含む): 42871680

約数和(自身を除く): 22329138

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 148859, 297718, 446577, 893154, 3423757, 6847514, 10271271, 20542542]

約数ペア:

[(1, 20542542), (2, 10271271), (3, 6847514), (6, 3423757), (23, 893154), (46, 446577), (69, 297718), (138, 148859)]