20087784535

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{243917}}^1$

素因数の和:244123

約数の個数: 32

約数和(自身を含む): 29832147072

約数和(自身を除く): 9744362537

約数列:

[1, 5, 7, 13, 35, 65, 91, 181, 455, 905, 1267, 2353, 6335, 11765, 16471, 82355, 243917, 1219585, 1707419, 3170921, 8537095, 15854605, 22196447, 44148977, 110982235, 220744885, 309042839, 573936701, 1545214195, 2869683505, 4017556907, 20087784535]

約数ペア:

[(1, 20087784535), (5, 4017556907), (7, 2869683505), (13, 1545214195), (35, 573936701), (65, 309042839), (91, 220744885), (181, 110982235), (455, 44148977), (905, 22196447), (1267, 15854605), (2353, 8537095), (6335, 3170921), (11765, 1707419), (16471, 1219585), (82355, 243917)]