20864862

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{39971}}^1$

素因数の和:40008

約数の個数: 24

約数和(自身を含む): 46767240

約数和(自身を除く): 25902378

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 39971, 79942, 119913, 239826, 359739, 719478, 1159159, 2318318, 3477477, 6954954, 10432431, 20864862]

約数ペア:

[(1, 20864862), (2, 10432431), (3, 6954954), (6, 3477477), (9, 2318318), (18, 1159159), (29, 719478), (58, 359739), (87, 239826), (174, 119913), (261, 79942), (522, 39971)]