20237217

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 37933056

約数和(自身を除く): 17695839

約数列:

[1, 3, 7, 11, 13, 21, 23, 33, 39, 69, 77, 91, 143, 161, 231, 253, 273, 293, 299, 429, 483, 759, 879, 897, 1001, 1771, 2051, 2093, 3003, 3223, 3289, 3809, 5313, 6153, 6279, 6739, 9669, 9867, 11427, 20217, 22561, 23023, 26663, 41899, 47173, 67683, 69069, 74129, 79989, 87607, 125697, 141519, 222387, 262821, 293293, 518903, 613249, 879879, 963677, 1556709, 1839747, 2891031, 6745739, 20237217]

約数ペア:

[(1, 20237217), (3, 6745739), (7, 2891031), (11, 1839747), (13, 1556709), (21, 963677), (23, 879879), (33, 613249), (39, 518903), (69, 293293), (77, 262821), (91, 222387), (143, 141519), (161, 125697), (231, 87607), (253, 79989), (273, 74129), (293, 69069), (299, 67683), (429, 47173), (483, 41899), (759, 26663), (879, 23023), (897, 22561), (1001, 20217), (1771, 11427), (2051, 9867), (2093, 9669), (3003, 6739), (3223, 6279), (3289, 6153), (3809, 5313)]