20558260

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{14081}}^1$

素因数の和:14163

約数の個数: 24

約数和(自身を含む): 43766856

約数和(自身を除く): 23208596

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 14081, 28162, 56324, 70405, 140810, 281620, 1027913, 2055826, 4111652, 5139565, 10279130, 20558260]

約数ペア:

[(1, 20558260), (2, 10279130), (4, 5139565), (5, 4111652), (10, 2055826), (20, 1027913), (73, 281620), (146, 140810), (292, 70405), (365, 56324), (730, 28162), (1460, 14081)]