20487324

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11939}}^1$

素因数の和:11970

約数の個数: 48

約数和(自身を含む): 56165760

約数和(自身を除く): 35678436

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 11939, 23878, 35817, 47756, 71634, 131329, 143268, 155207, 262658, 310414, 393987, 465621, 525316, 620828, 787974, 931242, 1575948, 1707277, 1862484, 3414554, 5121831, 6829108, 10243662, 20487324]

約数ペア:

[(1, 20487324), (2, 10243662), (3, 6829108), (4, 5121831), (6, 3414554), (11, 1862484), (12, 1707277), (13, 1575948), (22, 931242), (26, 787974), (33, 620828), (39, 525316), (44, 465621), (52, 393987), (66, 310414), (78, 262658), (132, 155207), (143, 143268), (156, 131329), (286, 71634), (429, 47756), (572, 35817), (858, 23878), (1716, 11939)]