20071837576

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{4643}}^1$

素因数の和:4931

約数の個数: 128

約数和(自身を含む): 48148992000

約数和(自身を除く): 28077154424

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 239, 266, 323, 476, 478, 532, 646, 952, 956, 1064, 1292, 1673, 1912, 2261, 2584, 3346, 4063, 4522, 4541, 4643, 6692, 8126, 9044, 9082, 9286, 13384, 16252, 18088, 18164, 18572, 28441, 31787, 32501, 32504, 36328, 37144, 56882, 63574, 65002, 77197, 78931, 88217, 113764, 127148, 130004, 154394, 157862, 176434, 227528, 254296, 260008, 308788, 315724, 352868, 540379, 552517, 617519, 617576, 631448, 705736, 1080758, 1105034, 1109677, 1235038, 1499689, 2161516, 2210068, 2219354, 2470076, 2999378, 4323032, 4420136, 4438708, 4940152, 5998756, 7767739, 8877416, 10497823, 11997512, 15535478, 18864509, 20995646, 21083863, 31070956, 37729018, 41991292, 42167726, 62141912, 75458036, 83982584, 84335452, 132051563, 147587041, 150916072, 168670904, 264103126, 295174082, 358425671, 528206252, 590348164, 716851342, 1056412504, 1180696328, 1433702684, 2508979697, 2867405368, 5017959394, 10035918788, 20071837576]

約数ペア:

[(1, 20071837576), (2, 10035918788), (4, 5017959394), (7, 2867405368), (8, 2508979697), (14, 1433702684), (17, 1180696328), (19, 1056412504), (28, 716851342), (34, 590348164), (38, 528206252), (56, 358425671), (68, 295174082), (76, 264103126), (119, 168670904), (133, 150916072), (136, 147587041), (152, 132051563), (238, 84335452), (239, 83982584), (266, 75458036), (323, 62141912), (476, 42167726), (478, 41991292), (532, 37729018), (646, 31070956), (952, 21083863), (956, 20995646), (1064, 18864509), (1292, 15535478), (1673, 11997512), (1912, 10497823), (2261, 8877416), (2584, 7767739), (3346, 5998756), (4063, 4940152), (4522, 4438708), (4541, 4420136), (4643, 4323032), (6692, 2999378), (8126, 2470076), (9044, 2219354), (9082, 2210068), (9286, 2161516), (13384, 1499689), (16252, 1235038), (18088, 1109677), (18164, 1105034), (18572, 1080758), (28441, 705736), (31787, 631448), (32501, 617576), (32504, 617519), (36328, 552517), (37144, 540379), (56882, 352868), (63574, 315724), (65002, 308788), (77197, 260008), (78931, 254296), (88217, 227528), (113764, 176434), (127148, 157862), (130004, 154394)]