20817436

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 37270800

約数和(自身を除く): 16453364

約数列:

[1, 2, 4, 67, 134, 173, 268, 346, 449, 692, 898, 1796, 11591, 23182, 30083, 46364, 60166, 77677, 120332, 155354, 310708, 5204359, 10408718, 20817436]

約数ペア:

[(1, 20817436), (2, 10408718), (4, 5204359), (67, 310708), (134, 155354), (173, 120332), (268, 77677), (346, 60166), (449, 46364), (692, 30083), (898, 23182), (1796, 11591)]