20258018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 34933248

約数和(自身を除く): 14675230

約数列:

[1, 2, 11, 22, 37, 41, 74, 82, 407, 451, 607, 814, 902, 1214, 1517, 3034, 6677, 13354, 16687, 22459, 24887, 33374, 44918, 49774, 247049, 273757, 494098, 547514, 920819, 1841638, 10129009, 20258018]

約数ペア:

[(1, 20258018), (2, 10129009), (11, 1841638), (22, 920819), (37, 547514), (41, 494098), (74, 273757), (82, 247049), (407, 49774), (451, 44918), (607, 33374), (814, 24887), (902, 22459), (1214, 16687), (1517, 13354), (3034, 6677)]