20915663034

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{337}}^1\times {\mathrm{379}}^1\times {\mathrm{557}}^1$

素因数の和:1292

約数の個数: 96

約数和(自身を含む): 49021951680

約数和(自身を除く): 28106288646

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 337, 379, 557, 674, 758, 1011, 1114, 1137, 1671, 2022, 2274, 2359, 2653, 3342, 3899, 4718, 5306, 7077, 7798, 7959, 11697, 14154, 15918, 16513, 18571, 23394, 27293, 33026, 37142, 49539, 54586, 55713, 81879, 99078, 111426, 127723, 163758, 187709, 211103, 255446, 375418, 383169, 422206, 563127, 633309, 766338, 894061, 1126254, 1266618, 1313963, 1477721, 1788122, 2627926, 2682183, 2955442, 3941889, 4433163, 5364366, 6258427, 7883778, 8866326, 9197741, 10344047, 12516854, 18395482, 18775281, 20688094, 27593223, 31032141, 37550562, 55186446, 62064282, 71141711, 142283422, 213425133, 426850266, 497991977, 995983954, 1493975931, 2987951862, 3485943839, 6971887678, 10457831517, 20915663034]

約数ペア:

[(1, 20915663034), (2, 10457831517), (3, 6971887678), (6, 3485943839), (7, 2987951862), (14, 1493975931), (21, 995983954), (42, 497991977), (49, 426850266), (98, 213425133), (147, 142283422), (294, 71141711), (337, 62064282), (379, 55186446), (557, 37550562), (674, 31032141), (758, 27593223), (1011, 20688094), (1114, 18775281), (1137, 18395482), (1671, 12516854), (2022, 10344047), (2274, 9197741), (2359, 8866326), (2653, 7883778), (3342, 6258427), (3899, 5364366), (4718, 4433163), (5306, 3941889), (7077, 2955442), (7798, 2682183), (7959, 2627926), (11697, 1788122), (14154, 1477721), (15918, 1313963), (16513, 1266618), (18571, 1126254), (23394, 894061), (27293, 766338), (33026, 633309), (37142, 563127), (49539, 422206), (54586, 383169), (55713, 375418), (81879, 255446), (99078, 211103), (111426, 187709), (127723, 163758)]