20742744

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{78571}}^1$

素因数の和:78591

約数の個数: 32

約数和(自身を含む): 56571840

約数和(自身を除く): 35829096

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 78571, 157142, 235713, 314284, 471426, 628568, 864281, 942852, 1728562, 1885704, 2592843, 3457124, 5185686, 6914248, 10371372, 20742744]

約数ペア:

[(1, 20742744), (2, 10371372), (3, 6914248), (4, 5185686), (6, 3457124), (8, 2592843), (11, 1885704), (12, 1728562), (22, 942852), (24, 864281), (33, 628568), (44, 471426), (66, 314284), (88, 235713), (132, 157142), (264, 78571)]