20379242

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 35054208

約数和(自身を除く): 14674966

約数列:

[1, 2, 13, 23, 26, 46, 53, 106, 299, 598, 643, 689, 1219, 1286, 1378, 2438, 8359, 14789, 15847, 16718, 29578, 31694, 34079, 68158, 192257, 384514, 443027, 783817, 886054, 1567634, 10189621, 20379242]

約数ペア:

[(1, 20379242), (2, 10189621), (13, 1567634), (23, 886054), (26, 783817), (46, 443027), (53, 384514), (106, 192257), (299, 68158), (598, 34079), (643, 31694), (689, 29578), (1219, 16718), (1286, 15847), (1378, 14789), (2438, 8359)]