201906940

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{24683}}^1$

素因数の和:25101

約数の個数: 24

約数和(自身を含む): 425058480

約数和(自身を除く): 223151540

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 24683, 49366, 98732, 123415, 246830, 493660, 10095347, 20190694, 40381388, 50476735, 100953470, 201906940]

約数ペア:

[(1, 201906940), (2, 100953470), (4, 50476735), (5, 40381388), (10, 20190694), (20, 10095347), (409, 493660), (818, 246830), (1636, 123415), (2045, 98732), (4090, 49366), (8180, 24683)]