20880774

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{5297}}^1$

素因数の和:5381

約数の個数: 32

約数和(自身を含む): 47046240

約数和(自身を除く): 26165466

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 219, 438, 657, 1314, 1971, 3942, 5297, 10594, 15891, 31782, 47673, 95346, 143019, 286038, 386681, 773362, 1160043, 2320086, 3480129, 6960258, 10440387, 20880774]

約数ペア:

[(1, 20880774), (2, 10440387), (3, 6960258), (6, 3480129), (9, 2320086), (18, 1160043), (27, 773362), (54, 386681), (73, 286038), (146, 143019), (219, 95346), (438, 47673), (657, 31782), (1314, 15891), (1971, 10594), (3942, 5297)]