20781609618

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{13879}}^1$

素因数の和:14372

約数の個数: 96

約数和(自身を含む): 52862146560

約数和(自身を除く): 32080536942

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 147, 154, 231, 294, 462, 463, 539, 926, 1078, 1389, 1617, 2778, 3234, 3241, 5093, 6482, 9723, 10186, 13879, 15279, 19446, 22687, 27758, 30558, 35651, 41637, 45374, 68061, 71302, 83274, 97153, 106953, 136122, 152669, 194306, 213906, 249557, 291459, 305338, 458007, 499114, 582918, 680071, 748671, 916014, 1068683, 1360142, 1497342, 2040213, 2137366, 3206049, 4080426, 6412098, 6425977, 7480781, 12851954, 14961562, 19277931, 22442343, 38555862, 44884686, 44981839, 70685747, 89963678, 134945517, 141371494, 212057241, 269891034, 314872873, 424114482, 494800229, 629745746, 944618619, 989600458, 1484400687, 1889237238, 2968801374, 3463601603, 6927203206, 10390804809, 20781609618]

約数ペア:

[(1, 20781609618), (2, 10390804809), (3, 6927203206), (6, 3463601603), (7, 2968801374), (11, 1889237238), (14, 1484400687), (21, 989600458), (22, 944618619), (33, 629745746), (42, 494800229), (49, 424114482), (66, 314872873), (77, 269891034), (98, 212057241), (147, 141371494), (154, 134945517), (231, 89963678), (294, 70685747), (462, 44981839), (463, 44884686), (539, 38555862), (926, 22442343), (1078, 19277931), (1389, 14961562), (1617, 12851954), (2778, 7480781), (3234, 6425977), (3241, 6412098), (5093, 4080426), (6482, 3206049), (9723, 2137366), (10186, 2040213), (13879, 1497342), (15279, 1360142), (19446, 1068683), (22687, 916014), (27758, 748671), (30558, 680071), (35651, 582918), (41637, 499114), (45374, 458007), (68061, 305338), (71302, 291459), (83274, 249557), (97153, 213906), (106953, 194306), (136122, 152669)]