20021456055

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{512779}}^1$

素因数の和:512943

約数の個数: 32

約数和(自身を含む): 33966547200

約数和(自身を除く): 13945091145

約数列:

[1, 3, 5, 15, 19, 57, 95, 137, 285, 411, 685, 2055, 2603, 7809, 13015, 39045, 512779, 1538337, 2563895, 7691685, 9742801, 29228403, 48714005, 70250723, 146142015, 210752169, 351253615, 1053760845, 1334763737, 4004291211, 6673818685, 20021456055]

約数ペア:

[(1, 20021456055), (3, 6673818685), (5, 4004291211), (15, 1334763737), (19, 1053760845), (57, 351253615), (95, 210752169), (137, 146142015), (285, 70250723), (411, 48714005), (685, 29228403), (2055, 9742801), (2603, 7691685), (7809, 2563895), (13015, 1538337), (39045, 512779)]