20040221526

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{256925917}}^1$

素因数の和:256925935

約数の個数: 16

約数和(自身を含む): 43163554224

約数和(自身を除く): 23123332698

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 256925917, 513851834, 770777751, 1541555502, 3340036921, 6680073842, 10020110763, 20040221526]

約数ペア:

[(1, 20040221526), (2, 10020110763), (3, 6680073842), (6, 3340036921), (13, 1541555502), (26, 770777751), (39, 513851834), (78, 256925917)]