209660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{953}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 480816

約数和(自身を除く): 271156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 953, 1906, 3812, 4765, 9530, 10483, 19060, 20966, 41932, 52415, 104830, 209660]

約数ペア:

[(1, 209660), (2, 104830), (4, 52415), (5, 41932), (10, 20966), (11, 19060), (20, 10483), (22, 9530), (44, 4765), (55, 3812), (110, 1906), (220, 953)]