20679416

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{941}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 40355280

約数和(自身を除く): 19675864

約数列:

[1, 2, 4, 8, 41, 67, 82, 134, 164, 268, 328, 536, 941, 1882, 2747, 3764, 5494, 7528, 10988, 21976, 38581, 63047, 77162, 126094, 154324, 252188, 308648, 504376, 2584927, 5169854, 10339708, 20679416]

約数ペア:

[(1, 20679416), (2, 10339708), (4, 5169854), (8, 2584927), (41, 504376), (67, 308648), (82, 252188), (134, 154324), (164, 126094), (268, 77162), (328, 63047), (536, 38581), (941, 21976), (1882, 10988), (2747, 7528), (3764, 5494)]