20802649616

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1\times {\mathrm{4409}}^1$

素因数の和:4936

約数の個数: 80

約数和(自身を含む): 46634515200

約数和(自身を除く): 25831865584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 409, 412, 721, 818, 824, 1442, 1636, 1648, 2863, 2884, 3272, 4409, 5726, 5768, 6544, 8818, 11452, 11536, 17636, 22904, 30863, 35272, 42127, 45808, 61726, 70544, 84254, 123452, 168508, 246904, 294889, 337016, 454127, 493808, 589778, 674032, 908254, 1179556, 1803281, 1816508, 2359112, 3178889, 3606562, 3633016, 4718224, 6357778, 7213124, 7266032, 12622967, 12715556, 14426248, 25245934, 25431112, 28852496, 50491868, 50862224, 100983736, 185737943, 201967472, 371475886, 742951772, 1300165601, 1485903544, 2600331202, 2971807088, 5200662404, 10401324808, 20802649616]

約数ペア:

[(1, 20802649616), (2, 10401324808), (4, 5200662404), (7, 2971807088), (8, 2600331202), (14, 1485903544), (16, 1300165601), (28, 742951772), (56, 371475886), (103, 201967472), (112, 185737943), (206, 100983736), (409, 50862224), (412, 50491868), (721, 28852496), (818, 25431112), (824, 25245934), (1442, 14426248), (1636, 12715556), (1648, 12622967), (2863, 7266032), (2884, 7213124), (3272, 6357778), (4409, 4718224), (5726, 3633016), (5768, 3606562), (6544, 3178889), (8818, 2359112), (11452, 1816508), (11536, 1803281), (17636, 1179556), (22904, 908254), (30863, 674032), (35272, 589778), (42127, 493808), (45808, 454127), (61726, 337016), (70544, 294889), (84254, 246904), (123452, 168508)]