16605220

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1801}}^1$

素因数の和:2271

約数の個数: 24

約数和(自身を含む): 34966008

約数和(自身を除く): 18360788

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1801, 1844, 2305, 3602, 4610, 7204, 9005, 9220, 18010, 36020, 830261, 1660522, 3321044, 4151305, 8302610, 16605220]

約数ペア:

[(1, 16605220), (2, 8302610), (4, 4151305), (5, 3321044), (10, 1660522), (20, 830261), (461, 36020), (922, 18010), (1801, 9220), (1844, 9005), (2305, 7204), (3602, 4610)]