20123057955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{2633}}^1$

素因数の和:3181

約数の個数: 128

約数和(自身を含む): 43330775040

約数和(自身を除く): 23207717085

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 231, 273, 385, 429, 455, 509, 715, 1001, 1155, 1365, 1527, 2145, 2545, 2633, 3003, 3563, 5005, 5599, 6617, 7635, 7899, 10689, 13165, 15015, 16797, 17815, 18431, 19851, 27995, 28963, 33085, 34229, 39193, 39495, 46319, 53445, 55293, 72787, 83985, 86889, 92155, 99255, 102687, 117579, 138957, 144815, 171145, 195965, 202741, 218361, 231595, 239603, 276465, 363935, 376519, 434445, 509509, 513435, 587895, 608223, 694785, 718809, 1013705, 1091805, 1129557, 1198015, 1340197, 1528527, 1882595, 2547545, 2635633, 3041115, 3594045, 4020591, 5647785, 6700985, 7642635, 7906899, 9381379, 13178165, 14742167, 17422561, 20102955, 28144137, 39534495, 44226501, 46906895, 52267683, 73710835, 87112805, 103195169, 121957927, 140720685, 191648171, 221132505, 261338415, 309585507, 365873781, 515975845, 574944513, 609789635, 958240855, 1341537197, 1547927535, 1829368905, 2874722565, 4024611591, 6707685985, 20123057955]

約数ペア:

[(1, 20123057955), (3, 6707685985), (5, 4024611591), (7, 2874722565), (11, 1829368905), (13, 1547927535), (15, 1341537197), (21, 958240855), (33, 609789635), (35, 574944513), (39, 515975845), (55, 365873781), (65, 309585507), (77, 261338415), (91, 221132505), (105, 191648171), (143, 140720685), (165, 121957927), (195, 103195169), (231, 87112805), (273, 73710835), (385, 52267683), (429, 46906895), (455, 44226501), (509, 39534495), (715, 28144137), (1001, 20102955), (1155, 17422561), (1365, 14742167), (1527, 13178165), (2145, 9381379), (2545, 7906899), (2633, 7642635), (3003, 6700985), (3563, 5647785), (5005, 4020591), (5599, 3594045), (6617, 3041115), (7635, 2635633), (7899, 2547545), (10689, 1882595), (13165, 1528527), (15015, 1340197), (16797, 1198015), (17815, 1129557), (18431, 1091805), (19851, 1013705), (27995, 718809), (28963, 694785), (33085, 608223), (34229, 587895), (39193, 513435), (39495, 509509), (46319, 434445), (53445, 376519), (55293, 363935), (72787, 276465), (83985, 239603), (86889, 231595), (92155, 218361), (99255, 202741), (102687, 195965), (117579, 171145), (138957, 144815)]