15662401420

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1914719}}^1$

素因数の和:1915137

約数の個数: 24

約数和(自身を含む): 32971478400

約数和(自身を除く): 17309076980

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 1914719, 3829438, 7658876, 9573595, 19147190, 38294380, 783120071, 1566240142, 3132480284, 3915600355, 7831200710, 15662401420]

約数ペア:

[(1, 15662401420), (2, 7831200710), (4, 3915600355), (5, 3132480284), (10, 1566240142), (20, 783120071), (409, 38294380), (818, 19147190), (1636, 9573595), (2045, 7658876), (4090, 3829438), (8180, 1914719)]