20477116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 40803840

約数和(自身を除く): 20326724

約数列:

[1, 2, 4, 11, 22, 43, 44, 79, 86, 137, 158, 172, 274, 316, 473, 548, 869, 946, 1507, 1738, 1892, 3014, 3397, 3476, 5891, 6028, 6794, 10823, 11782, 13588, 21646, 23564, 37367, 43292, 64801, 74734, 119053, 129602, 149468, 238106, 259204, 465389, 476212, 930778, 1861556, 5119279, 10238558, 20477116]

約数ペア:

[(1, 20477116), (2, 10238558), (4, 5119279), (11, 1861556), (22, 930778), (43, 476212), (44, 465389), (79, 259204), (86, 238106), (137, 149468), (158, 129602), (172, 119053), (274, 74734), (316, 64801), (473, 43292), (548, 37367), (869, 23564), (946, 21646), (1507, 13588), (1738, 11782), (1892, 10823), (3014, 6794), (3397, 6028), (3476, 5891)]