20694856

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 50561280

約数和(自身を除く): 29866424

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 124, 131, 182, 196, 217, 248, 262, 364, 392, 403, 434, 524, 637, 728, 806, 868, 917, 1048, 1274, 1519, 1612, 1703, 1736, 1834, 2548, 2821, 3038, 3224, 3406, 3668, 4061, 5096, 5642, 6076, 6419, 6812, 7336, 8122, 11284, 11921, 12152, 12838, 13624, 16244, 19747, 22568, 23842, 25676, 28427, 32488, 39494, 47684, 51352, 52793, 56854, 78988, 83447, 95368, 105586, 113708, 157976, 166894, 198989, 211172, 227416, 333788, 369551, 397978, 422344, 667576, 739102, 795956, 1478204, 1591912, 2586857, 2956408, 5173714, 10347428, 20694856]

約数ペア:

[(1, 20694856), (2, 10347428), (4, 5173714), (7, 2956408), (8, 2586857), (13, 1591912), (14, 1478204), (26, 795956), (28, 739102), (31, 667576), (49, 422344), (52, 397978), (56, 369551), (62, 333788), (91, 227416), (98, 211172), (104, 198989), (124, 166894), (131, 157976), (182, 113708), (196, 105586), (217, 95368), (248, 83447), (262, 78988), (364, 56854), (392, 52793), (403, 51352), (434, 47684), (524, 39494), (637, 32488), (728, 28427), (806, 25676), (868, 23842), (917, 22568), (1048, 19747), (1274, 16244), (1519, 13624), (1612, 12838), (1703, 12152), (1736, 11921), (1834, 11284), (2548, 8122), (2821, 7336), (3038, 6812), (3224, 6419), (3406, 6076), (3668, 5642), (4061, 5096)]