20328813

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{2221}}^1$

素因数の和:2346

約数の個数: 20

約数和(自身を含む): 30650268

約数和(自身を除く): 10321455

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 2221, 3051, 6663, 9153, 19989, 59967, 179901, 250973, 752919, 2258757, 6776271, 20328813]

約数ペア:

[(1, 20328813), (3, 6776271), (9, 2258757), (27, 752919), (81, 250973), (113, 179901), (339, 59967), (1017, 19989), (2221, 9153), (3051, 6663)]