20429084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4973}}^1$

素因数の和:5069

約数の個数: 24

約数和(自身を含む): 38996160

約数和(自身を除く): 18567076

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 4973, 9946, 19892, 64649, 129298, 258596, 392867, 785734, 1571468, 5107271, 10214542, 20429084]

約数ペア:

[(1, 20429084), (2, 10214542), (4, 5107271), (13, 1571468), (26, 785734), (52, 392867), (79, 258596), (158, 129298), (316, 64649), (1027, 19892), (2054, 9946), (4108, 4973)]