20976648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11351}}^1$

素因数の和:11378

約数の個数: 64

約数和(自身を含む): 65387520

約数和(自身を除く): 44410872

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11351, 22702, 34053, 45404, 68106, 79457, 90808, 124861, 136212, 158914, 238371, 249722, 272424, 317828, 374583, 476742, 499444, 635656, 749166, 874027, 953484, 998888, 1498332, 1748054, 1906968, 2622081, 2996664, 3496108, 5244162, 6992216, 10488324, 20976648]

約数ペア:

[(1, 20976648), (2, 10488324), (3, 6992216), (4, 5244162), (6, 3496108), (7, 2996664), (8, 2622081), (11, 1906968), (12, 1748054), (14, 1498332), (21, 998888), (22, 953484), (24, 874027), (28, 749166), (33, 635656), (42, 499444), (44, 476742), (56, 374583), (66, 317828), (77, 272424), (84, 249722), (88, 238371), (132, 158914), (154, 136212), (168, 124861), (231, 90808), (264, 79457), (308, 68106), (462, 45404), (616, 34053), (924, 22702), (1848, 11351)]