20448668

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1861}}^1$

素因数の和:1973

約数の個数: 24

約数和(自身を含む): 37225104

約数和(自身を除く): 16776436

約数列:

[1, 2, 4, 41, 67, 82, 134, 164, 268, 1861, 2747, 3722, 5494, 7444, 10988, 76301, 124687, 152602, 249374, 305204, 498748, 5112167, 10224334, 20448668]

約数ペア:

[(1, 20448668), (2, 10224334), (4, 5112167), (41, 498748), (67, 305204), (82, 249374), (134, 152602), (164, 124687), (268, 76301), (1861, 10988), (2747, 7444), (3722, 5494)]