20838588

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 50712480

約数和(自身を除く): 29873892

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 233, 257, 348, 466, 514, 699, 771, 932, 1028, 1398, 1542, 2796, 3084, 6757, 7453, 13514, 14906, 20271, 22359, 27028, 29812, 40542, 44718, 59881, 81084, 89436, 119762, 179643, 239524, 359286, 718572, 1736549, 3473098, 5209647, 6946196, 10419294, 20838588]

約数ペア:

[(1, 20838588), (2, 10419294), (3, 6946196), (4, 5209647), (6, 3473098), (12, 1736549), (29, 718572), (58, 359286), (87, 239524), (116, 179643), (174, 119762), (233, 89436), (257, 81084), (348, 59881), (466, 44718), (514, 40542), (699, 29812), (771, 27028), (932, 22359), (1028, 20271), (1398, 14906), (1542, 13514), (2796, 7453), (3084, 6757)]