20544813

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 31758720

約数和(自身を除く): 11213907

約数列:

[1, 3, 9, 27, 41, 67, 123, 201, 277, 369, 603, 831, 1107, 1809, 2493, 2747, 7479, 8241, 11357, 18559, 24723, 34071, 55677, 74169, 102213, 167031, 306639, 501093, 760919, 2282757, 6848271, 20544813]

約数ペア:

[(1, 20544813), (3, 6848271), (9, 2282757), (27, 760919), (41, 501093), (67, 306639), (123, 167031), (201, 102213), (277, 74169), (369, 55677), (603, 34071), (831, 24723), (1107, 18559), (1809, 11357), (2493, 8241), (2747, 7479)]