20110568680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:811

約数の個数: 128

約数和(自身を含む): 46945267200

約数和(自身を除く): 26834698520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 107, 188, 214, 235, 257, 376, 389, 428, 470, 514, 535, 778, 856, 940, 1028, 1070, 1285, 1556, 1880, 1945, 2056, 2140, 2570, 3112, 3890, 4280, 5029, 5140, 7780, 10058, 10280, 12079, 15560, 18283, 20116, 24158, 25145, 27499, 36566, 40232, 41623, 48316, 50290, 54998, 60395, 73132, 83246, 91415, 96632, 99973, 100580, 109996, 120790, 137495, 146264, 166492, 182830, 199946, 201160, 208115, 219992, 241580, 274990, 332984, 365660, 399892, 416230, 483160, 499865, 549980, 731320, 799784, 832460, 999730, 1099960, 1292453, 1664920, 1956281, 1999460, 2584906, 3912562, 3998920, 4698731, 5169812, 6462265, 7825124, 9397462, 9781405, 10339624, 10697111, 12924530, 15650248, 18794924, 19562810, 21394222, 23493655, 25849060, 37589848, 39125620, 42788444, 46987310, 51698120, 53485555, 78251240, 85576888, 93974620, 106971110, 187949240, 213942220, 427884440, 502764217, 1005528434, 2011056868, 2513821085, 4022113736, 5027642170, 10055284340, 20110568680]

約数ペア:

[(1, 20110568680), (2, 10055284340), (4, 5027642170), (5, 4022113736), (8, 2513821085), (10, 2011056868), (20, 1005528434), (40, 502764217), (47, 427884440), (94, 213942220), (107, 187949240), (188, 106971110), (214, 93974620), (235, 85576888), (257, 78251240), (376, 53485555), (389, 51698120), (428, 46987310), (470, 42788444), (514, 39125620), (535, 37589848), (778, 25849060), (856, 23493655), (940, 21394222), (1028, 19562810), (1070, 18794924), (1285, 15650248), (1556, 12924530), (1880, 10697111), (1945, 10339624), (2056, 9781405), (2140, 9397462), (2570, 7825124), (3112, 6462265), (3890, 5169812), (4280, 4698731), (5029, 3998920), (5140, 3912562), (7780, 2584906), (10058, 1999460), (10280, 1956281), (12079, 1664920), (15560, 1292453), (18283, 1099960), (20116, 999730), (24158, 832460), (25145, 799784), (27499, 731320), (36566, 549980), (40232, 499865), (41623, 483160), (48316, 416230), (50290, 399892), (54998, 365660), (60395, 332984), (73132, 274990), (83246, 241580), (91415, 219992), (96632, 208115), (99973, 201160), (100580, 199946), (109996, 182830), (120790, 166492), (137495, 146264)]