20718812

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{797}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 37225104

約数和(自身を除く): 16506292

約数列:

[1, 2, 4, 67, 97, 134, 194, 268, 388, 797, 1594, 3188, 6499, 12998, 25996, 53399, 77309, 106798, 154618, 213596, 309236, 5179703, 10359406, 20718812]

約数ペア:

[(1, 20718812), (2, 10359406), (4, 5179703), (67, 309236), (97, 213596), (134, 154618), (194, 106798), (268, 77309), (388, 53399), (797, 25996), (1594, 12998), (3188, 6499)]