20014180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7639}}^1$

素因数の和:7779

約数の個数: 24

約数和(自身を含む): 42356160

約数和(自身を除く): 22341980

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7639, 15278, 30556, 38195, 76390, 152780, 1000709, 2001418, 4002836, 5003545, 10007090, 20014180]

約数ペア:

[(1, 20014180), (2, 10007090), (4, 5003545), (5, 4002836), (10, 2001418), (20, 1000709), (131, 152780), (262, 76390), (524, 38195), (655, 30556), (1310, 15278), (2620, 7639)]