20996238

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{719}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 43683840

約数和(自身を除く): 22687602

約数列:

[1, 2, 3, 6, 31, 62, 93, 157, 186, 314, 471, 719, 942, 1438, 2157, 4314, 4867, 9734, 14601, 22289, 29202, 44578, 66867, 112883, 133734, 225766, 338649, 677298, 3499373, 6998746, 10498119, 20996238]

約数ペア:

[(1, 20996238), (2, 10498119), (3, 6998746), (6, 3499373), (31, 677298), (62, 338649), (93, 225766), (157, 133734), (186, 112883), (314, 66867), (471, 44578), (719, 29202), (942, 22289), (1438, 14601), (2157, 9734), (4314, 4867)]