20303894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 36046080

約数和(自身を除く): 15742186

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 247, 299, 437, 494, 598, 874, 1787, 3574, 5681, 11362, 23231, 33953, 41101, 46462, 67906, 82202, 441389, 534313, 780919, 882778, 1068626, 1561838, 10151947, 20303894]

約数ペア:

[(1, 20303894), (2, 10151947), (13, 1561838), (19, 1068626), (23, 882778), (26, 780919), (38, 534313), (46, 441389), (247, 82202), (299, 67906), (437, 46462), (494, 41101), (598, 33953), (874, 23231), (1787, 11362), (3574, 5681)]