20118371570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1\times {\mathrm{3697}}^1$

素因数の和:4587

約数の個数: 64

約数和(自身を含む): 40213176192

約数和(自身を除く): 20094804622

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 811, 1342, 1622, 3355, 3697, 4055, 6710, 7394, 8110, 8921, 17842, 18485, 36970, 40667, 44605, 49471, 81334, 89210, 98942, 203335, 225517, 247355, 406670, 451034, 494710, 544181, 1088362, 1127585, 2255170, 2480687, 2720905, 2998267, 4961374, 5441810, 5996534, 12403435, 14991335, 24806870, 29982670, 32980937, 65961874, 164904685, 182894287, 329809370, 365788574, 914471435, 1828942870, 2011837157, 4023674314, 10059185785, 20118371570]

約数ペア:

[(1, 20118371570), (2, 10059185785), (5, 4023674314), (10, 2011837157), (11, 1828942870), (22, 914471435), (55, 365788574), (61, 329809370), (110, 182894287), (122, 164904685), (305, 65961874), (610, 32980937), (671, 29982670), (811, 24806870), (1342, 14991335), (1622, 12403435), (3355, 5996534), (3697, 5441810), (4055, 4961374), (6710, 2998267), (7394, 2720905), (8110, 2480687), (8921, 2255170), (17842, 1127585), (18485, 1088362), (36970, 544181), (40667, 494710), (44605, 451034), (49471, 406670), (81334, 247355), (89210, 225517), (98942, 203335)]