20287056

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{9829}}^1$

素因数の和:9883

約数の個数: 40

約数和(自身を含む): 53632480

約数和(自身を除く): 33345424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 9829, 19658, 29487, 39316, 58974, 78632, 117948, 157264, 235896, 422647, 471792, 845294, 1267941, 1690588, 2535882, 3381176, 5071764, 6762352, 10143528, 20287056]

約数ペア:

[(1, 20287056), (2, 10143528), (3, 6762352), (4, 5071764), (6, 3381176), (8, 2535882), (12, 1690588), (16, 1267941), (24, 845294), (43, 471792), (48, 422647), (86, 235896), (129, 157264), (172, 117948), (258, 78632), (344, 58974), (516, 39316), (688, 29487), (1032, 19658), (2064, 9829)]