20512247262

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1246339}}^1$

素因数の和:1246568

約数の個数: 32

約数和(自身を含む): 44389645440

約数和(自身を除く): 23877398178

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 211, 422, 633, 1266, 2743, 5486, 8229, 16458, 1246339, 2492678, 3739017, 7478034, 16202407, 32404814, 48607221, 97214442, 262977529, 525955058, 788932587, 1577865174, 3418707877, 6837415754, 10256123631, 20512247262]

約数ペア:

[(1, 20512247262), (2, 10256123631), (3, 6837415754), (6, 3418707877), (13, 1577865174), (26, 788932587), (39, 525955058), (78, 262977529), (211, 97214442), (422, 48607221), (633, 32404814), (1266, 16202407), (2743, 7478034), (5486, 3739017), (8229, 2492678), (16458, 1246339)]