20913782

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{1609}}^1$

素因数の和:1775

約数の個数: 16

約数和(自身を含む): 32187120

約数和(自身を除く): 11273338

約数列:

[1, 2, 67, 97, 134, 194, 1609, 3218, 6499, 12998, 107803, 156073, 215606, 312146, 10456891, 20913782]

約数ペア:

[(1, 20913782), (2, 10456891), (67, 312146), (97, 215606), (134, 156073), (194, 107803), (1609, 12998), (3218, 6499)]