20148664

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:1963

約数の個数: 32

約数和(自身を含む): 40348800

約数和(自身を除く): 20200136

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 568, 1349, 1867, 2698, 3734, 5396, 7468, 10792, 14936, 35473, 70946, 132557, 141892, 265114, 283784, 530228, 1060456, 2518583, 5037166, 10074332, 20148664]

約数ペア:

[(1, 20148664), (2, 10074332), (4, 5037166), (8, 2518583), (19, 1060456), (38, 530228), (71, 283784), (76, 265114), (142, 141892), (152, 132557), (284, 70946), (568, 35473), (1349, 14936), (1867, 10792), (2698, 7468), (3734, 5396)]