20324660

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13921}}^1$

素因数の和:14003

約数の個数: 24

約数和(自身を含む): 43269576

約数和(自身を除く): 22944916

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13921, 27842, 55684, 69605, 139210, 278420, 1016233, 2032466, 4064932, 5081165, 10162330, 20324660]

約数ペア:

[(1, 20324660), (2, 10162330), (4, 5081165), (5, 4064932), (10, 2032466), (20, 1016233), (73, 278420), (146, 139210), (292, 69605), (365, 55684), (730, 27842), (1460, 13921)]