20187694072

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{4259}}^1$

素因数の和:4685

約数の個数: 128

約数和(自身を含む): 49467801600

約数和(自身を除く): 29280107528

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 383, 442, 476, 728, 766, 884, 952, 1532, 1547, 1768, 2681, 3064, 3094, 4259, 4979, 5362, 6188, 6511, 8518, 9958, 10724, 12376, 13022, 17036, 19916, 21448, 26044, 29813, 34072, 34853, 39832, 45577, 52088, 55367, 59626, 69706, 72403, 84643, 91154, 110734, 119252, 139412, 144806, 169286, 182308, 221468, 238504, 278824, 289612, 338572, 364616, 387569, 442936, 506821, 579224, 592501, 677144, 775138, 941239, 1013642, 1185002, 1550276, 1631197, 1882478, 2027284, 2370004, 3100552, 3262394, 3764956, 4054568, 4740008, 6524788, 6588673, 7529912, 11418379, 13049576, 13177346, 21205561, 22836758, 26354692, 27730349, 42411122, 45673516, 52709384, 55460698, 84822244, 91347032, 110921396, 148438927, 169644488, 194112443, 221842792, 296877854, 360494537, 388224886, 593755708, 720989074, 776449772, 1187511416, 1441978148, 1552899544, 2523461759, 2883956296, 5046923518, 10093847036, 20187694072]

約数ペア:

[(1, 20187694072), (2, 10093847036), (4, 5046923518), (7, 2883956296), (8, 2523461759), (13, 1552899544), (14, 1441978148), (17, 1187511416), (26, 776449772), (28, 720989074), (34, 593755708), (52, 388224886), (56, 360494537), (68, 296877854), (91, 221842792), (104, 194112443), (119, 169644488), (136, 148438927), (182, 110921396), (221, 91347032), (238, 84822244), (364, 55460698), (383, 52709384), (442, 45673516), (476, 42411122), (728, 27730349), (766, 26354692), (884, 22836758), (952, 21205561), (1532, 13177346), (1547, 13049576), (1768, 11418379), (2681, 7529912), (3064, 6588673), (3094, 6524788), (4259, 4740008), (4979, 4054568), (5362, 3764956), (6188, 3262394), (6511, 3100552), (8518, 2370004), (9958, 2027284), (10724, 1882478), (12376, 1631197), (13022, 1550276), (17036, 1185002), (19916, 1013642), (21448, 941239), (26044, 775138), (29813, 677144), (34072, 592501), (34853, 579224), (39832, 506821), (45577, 442936), (52088, 387569), (55367, 364616), (59626, 338572), (69706, 289612), (72403, 278824), (84643, 238504), (91154, 221468), (110734, 182308), (119252, 169286), (139412, 144806)]