20122520931

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{7369}}^1\times {\mathrm{5323}}^1$

素因数の和:12720

約数の個数: 32

約数和(自身を含む): 31390304000

約数和(自身を除く): 11267783069

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 5323, 7369, 15969, 22107, 47907, 66321, 101137, 140011, 143721, 198963, 303411, 420033, 910233, 1260099, 2730699, 3780297, 39225187, 117675561, 353026683, 745278553, 1059080049, 2235835659, 6707506977, 20122520931]

約数ペア:

[(1, 20122520931), (3, 6707506977), (9, 2235835659), (19, 1059080049), (27, 745278553), (57, 353026683), (171, 117675561), (513, 39225187), (5323, 3780297), (7369, 2730699), (15969, 1260099), (22107, 910233), (47907, 420033), (66321, 303411), (101137, 198963), (140011, 143721)]