201225020

素因数分解:

$2^2\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{4877}}^1$

素因数の和:6949

約数の個数: 24

約数和(自身を含む): 422864064

約数和(自身を除く): 221639044

約数列:

[1, 2, 4, 5, 10, 20, 2063, 4126, 4877, 8252, 9754, 10315, 19508, 20630, 24385, 41260, 48770, 97540, 10061251, 20122502, 40245004, 50306255, 100612510, 201225020]

約数ペア:

[(1, 201225020), (2, 100612510), (4, 50306255), (5, 40245004), (10, 20122502), (20, 10061251), (2063, 97540), (4126, 48770), (4877, 41260), (8252, 24385), (9754, 20630), (10315, 19508)]