20688372

素因数分解:

$2^2\times 3^4\times {\mathrm{63853}}^1$

素因数の和:63869

約数の個数: 30

約数和(自身を含む): 54084338

約数和(自身を除く): 33395966

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 63853, 127706, 191559, 255412, 383118, 574677, 766236, 1149354, 1724031, 2298708, 3448062, 5172093, 6896124, 10344186, 20688372]

約数ペア:

[(1, 20688372), (2, 10344186), (3, 6896124), (4, 5172093), (6, 3448062), (9, 2298708), (12, 1724031), (18, 1149354), (27, 766236), (36, 574677), (54, 383118), (81, 255412), (108, 191559), (162, 127706), (324, 63853)]