20851276

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1583}}^1$

素因数の和:1713

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 17069684

約数列:

[1, 2, 4, 37, 74, 89, 148, 178, 356, 1583, 3166, 3293, 6332, 6586, 13172, 58571, 117142, 140887, 234284, 281774, 563548, 5212819, 10425638, 20851276]

約数ペア:

[(1, 20851276), (2, 10425638), (4, 5212819), (37, 563548), (74, 281774), (89, 234284), (148, 140887), (178, 117142), (356, 58571), (1583, 13172), (3166, 6586), (3293, 6332)]