20609268435

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{252611}}^1$

素因数の和:252673

約数の個数: 72

約数和(自身を含む): 42678292176

約数和(自身を除く): 22069023741

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 49, 63, 105, 111, 147, 185, 245, 259, 315, 333, 441, 555, 735, 777, 1295, 1665, 1813, 2205, 2331, 3885, 5439, 9065, 11655, 16317, 27195, 81585, 252611, 757833, 1263055, 1768277, 2273499, 3789165, 5304831, 8841385, 9346607, 11367495, 12377939, 15914493, 26524155, 28039821, 37133817, 46733035, 61889695, 65426249, 79572465, 84119463, 111401451, 140199105, 185669085, 196278747, 327131245, 420597315, 457983743, 557007255, 588836241, 981393735, 1373951229, 2289918715, 2944181205, 4121853687, 6869756145, 20609268435]

約数ペア:

[(1, 20609268435), (3, 6869756145), (5, 4121853687), (7, 2944181205), (9, 2289918715), (15, 1373951229), (21, 981393735), (35, 588836241), (37, 557007255), (45, 457983743), (49, 420597315), (63, 327131245), (105, 196278747), (111, 185669085), (147, 140199105), (185, 111401451), (245, 84119463), (259, 79572465), (315, 65426249), (333, 61889695), (441, 46733035), (555, 37133817), (735, 28039821), (777, 26524155), (1295, 15914493), (1665, 12377939), (1813, 11367495), (2205, 9346607), (2331, 8841385), (3885, 5304831), (5439, 3789165), (9065, 2273499), (11655, 1768277), (16317, 1263055), (27195, 757833), (81585, 252611)]