20925762

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^3$

素因数の和:116

約数の個数: 64

約数和(自身を含む): 50924160

約数和(自身を除く): 29998398

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 29, 33, 39, 58, 66, 78, 87, 143, 174, 286, 319, 377, 429, 638, 754, 841, 858, 957, 1131, 1682, 1914, 2262, 2523, 4147, 5046, 8294, 9251, 10933, 12441, 18502, 21866, 24389, 24882, 27753, 32799, 48778, 55506, 65598, 73167, 120263, 146334, 240526, 268279, 317057, 360789, 536558, 634114, 721578, 804837, 951171, 1609674, 1902342, 3487627, 6975254, 10462881, 20925762]

約数ペア:

[(1, 20925762), (2, 10462881), (3, 6975254), (6, 3487627), (11, 1902342), (13, 1609674), (22, 951171), (26, 804837), (29, 721578), (33, 634114), (39, 536558), (58, 360789), (66, 317057), (78, 268279), (87, 240526), (143, 146334), (174, 120263), (286, 73167), (319, 65598), (377, 55506), (429, 48778), (638, 32799), (754, 27753), (841, 24882), (858, 24389), (957, 21866), (1131, 18502), (1682, 12441), (1914, 10933), (2262, 9251), (2523, 8294), (4147, 5046)]