20161686969

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{3119}}^1\times {\mathrm{7723}}^1$

素因数の和:10882

約数の個数: 32

約数和(自身を含む): 30846566400

約数和(自身を除く): 10684879431

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 3119, 7723, 9357, 23169, 28071, 69507, 84213, 96689, 208521, 239413, 290067, 718239, 870201, 2154717, 2610603, 6464151, 24088037, 72264111, 216792333, 650376999, 746729147, 2240187441, 6720562323, 20161686969]

約数ペア:

[(1, 20161686969), (3, 6720562323), (9, 2240187441), (27, 746729147), (31, 650376999), (93, 216792333), (279, 72264111), (837, 24088037), (3119, 6464151), (7723, 2610603), (9357, 2154717), (23169, 870201), (28071, 718239), (69507, 290067), (84213, 239413), (96689, 208521)]