201563540

素因数分解:

$2^2\times 5^1\times {\mathrm{2053}}^1\times {\mathrm{4909}}^1$

素因数の和:6971

約数の個数: 24

約数和(自身を含む): 423575880

約数和(自身を除く): 222012340

約数列:

[1, 2, 4, 5, 10, 20, 2053, 4106, 4909, 8212, 9818, 10265, 19636, 20530, 24545, 41060, 49090, 98180, 10078177, 20156354, 40312708, 50390885, 100781770, 201563540]

約数ペア:

[(1, 201563540), (2, 100781770), (4, 50390885), (5, 40312708), (10, 20156354), (20, 10078177), (2053, 98180), (4106, 49090), (4909, 41060), (8212, 24545), (9818, 20530), (10265, 19636)]