20512473003

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{154279}}^1$

素因数の和:154392

約数の個数: 48

約数和(自身を含む): 34657459200

約数和(自身を除く): 14144986197

約数列:

[1, 3, 9, 11, 17, 33, 51, 79, 99, 153, 187, 237, 561, 711, 869, 1343, 1683, 2607, 4029, 7821, 12087, 14773, 44319, 132957, 154279, 462837, 1388511, 1697069, 2622743, 5091207, 7868229, 12188041, 15273621, 23604687, 28850173, 36564123, 86550519, 109692369, 134068451, 207196697, 259651557, 402205353, 621590091, 1206616059, 1864770273, 2279163667, 6837491001, 20512473003]

約数ペア:

[(1, 20512473003), (3, 6837491001), (9, 2279163667), (11, 1864770273), (17, 1206616059), (33, 621590091), (51, 402205353), (79, 259651557), (99, 207196697), (153, 134068451), (187, 109692369), (237, 86550519), (561, 36564123), (711, 28850173), (869, 23604687), (1343, 15273621), (1683, 12188041), (2607, 7868229), (4029, 5091207), (7821, 2622743), (12087, 1697069), (14773, 1388511), (44319, 462837), (132957, 154279)]