20025544

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 51840000

約数和(自身を除く): 31814456

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 29, 38, 44, 56, 58, 59, 76, 77, 88, 116, 118, 133, 152, 154, 203, 209, 232, 236, 266, 308, 319, 406, 413, 418, 472, 532, 551, 616, 638, 649, 812, 826, 836, 1064, 1102, 1121, 1276, 1298, 1463, 1624, 1652, 1672, 1711, 2204, 2233, 2242, 2552, 2596, 2926, 3304, 3422, 3857, 4408, 4466, 4484, 4543, 5192, 5852, 6061, 6844, 7714, 7847, 8932, 8968, 9086, 11704, 11977, 12122, 12331, 13688, 15428, 15694, 17864, 18172, 18821, 23954, 24244, 24662, 30856, 31388, 32509, 36344, 37642, 42427, 47908, 48488, 49324, 62776, 65018, 75284, 84854, 86317, 95816, 98648, 130036, 131747, 150568, 169708, 172634, 227563, 260072, 263494, 339416, 345268, 357599, 455126, 526988, 690536, 715198, 910252, 1053976, 1430396, 1820504, 2503193, 2860792, 5006386, 10012772, 20025544]

約数ペア:

[(1, 20025544), (2, 10012772), (4, 5006386), (7, 2860792), (8, 2503193), (11, 1820504), (14, 1430396), (19, 1053976), (22, 910252), (28, 715198), (29, 690536), (38, 526988), (44, 455126), (56, 357599), (58, 345268), (59, 339416), (76, 263494), (77, 260072), (88, 227563), (116, 172634), (118, 169708), (133, 150568), (152, 131747), (154, 130036), (203, 98648), (209, 95816), (232, 86317), (236, 84854), (266, 75284), (308, 65018), (319, 62776), (406, 49324), (413, 48488), (418, 47908), (472, 42427), (532, 37642), (551, 36344), (616, 32509), (638, 31388), (649, 30856), (812, 24662), (826, 24244), (836, 23954), (1064, 18821), (1102, 18172), (1121, 17864), (1276, 15694), (1298, 15428), (1463, 13688), (1624, 12331), (1652, 12122), (1672, 11977), (1711, 11704), (2204, 9086), (2233, 8968), (2242, 8932), (2552, 7847), (2596, 7714), (2926, 6844), (3304, 6061), (3422, 5852), (3857, 5192), (4408, 4543), (4466, 4484)]