20163656645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{77557}}^1$

素因数の和:77765

約数の個数: 32

約数和(自身を含む): 27474145920

約数和(自身を除く): 7310489275

約数列:

[1, 5, 11, 29, 55, 145, 163, 319, 815, 1595, 1793, 4727, 8965, 23635, 51997, 77557, 259985, 387785, 853127, 2249153, 4265635, 11245765, 12641791, 24740683, 63208955, 123703415, 139059701, 366611939, 695298505, 1833059695, 4032731329, 20163656645]

約数ペア:

[(1, 20163656645), (5, 4032731329), (11, 1833059695), (29, 695298505), (55, 366611939), (145, 139059701), (163, 123703415), (319, 63208955), (815, 24740683), (1595, 12641791), (1793, 11245765), (4727, 4265635), (8965, 2249153), (23635, 853127), (51997, 387785), (77557, 259985)]