20213090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3821}}^1$

素因数の和:3874

約数の個数: 24

約数和(自身を含む): 38044188

約数和(自身を除く): 17831098

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 3821, 5290, 7642, 19105, 38210, 87883, 175766, 439415, 878830, 2021309, 4042618, 10106545, 20213090]

約数ペア:

[(1, 20213090), (2, 10106545), (5, 4042618), (10, 2021309), (23, 878830), (46, 439415), (115, 175766), (230, 87883), (529, 38210), (1058, 19105), (2645, 7642), (3821, 5290)]