20661642

素因数分解:

$2^1\times 3^4\times {\mathrm{127541}}^1$

素因数の和:127555

約数の個数: 20

約数和(自身を含む): 46297746

約数和(自身を除く): 25636104

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 127541, 255082, 382623, 765246, 1147869, 2295738, 3443607, 6887214, 10330821, 20661642]

約数ペア:

[(1, 20661642), (2, 10330821), (3, 6887214), (6, 3443607), (9, 2295738), (18, 1147869), (27, 765246), (54, 382623), (81, 255082), (162, 127541)]