20697366907

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 27352733184

約数和(自身を除く): 6655366277

約数列:

[1, 7, 17, 31, 41, 49, 113, 119, 173, 217, 287, 527, 697, 791, 833, 1211, 1271, 1519, 1921, 2009, 2941, 3503, 3689, 4633, 4879, 5363, 5537, 7093, 8477, 8897, 13447, 19549, 20587, 21607, 24521, 25823, 32431, 34153, 37541, 49651, 59551, 62279, 78761, 91171, 94129, 120581, 136843, 143623, 144109, 151249, 171647, 219883, 227017, 262787, 332333, 347557, 416857, 551327, 606019, 638197, 801509, 844067, 957901, 1005361, 1058743, 1539181, 2326331, 2441591, 2917999, 3738011, 3859289, 4242133, 4467379, 5610563, 5908469, 7037527, 10302323, 10774267, 13625653, 16284317, 17091137, 24846779, 26166077, 29694931, 39273941, 72116261, 95379571, 119637959, 173927453, 183162539, 422395243, 504813827, 667656997, 1217492171, 2956766701, 20697366907]

約数ペア:

[(1, 20697366907), (7, 2956766701), (17, 1217492171), (31, 667656997), (41, 504813827), (49, 422395243), (113, 183162539), (119, 173927453), (173, 119637959), (217, 95379571), (287, 72116261), (527, 39273941), (697, 29694931), (791, 26166077), (833, 24846779), (1211, 17091137), (1271, 16284317), (1519, 13625653), (1921, 10774267), (2009, 10302323), (2941, 7037527), (3503, 5908469), (3689, 5610563), (4633, 4467379), (4879, 4242133), (5363, 3859289), (5537, 3738011), (7093, 2917999), (8477, 2441591), (8897, 2326331), (13447, 1539181), (19549, 1058743), (20587, 1005361), (21607, 957901), (24521, 844067), (25823, 801509), (32431, 638197), (34153, 606019), (37541, 551327), (49651, 416857), (59551, 347557), (62279, 332333), (78761, 262787), (91171, 227017), (94129, 219883), (120581, 171647), (136843, 151249), (143623, 144109)]