20125523457

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{1433}}^1$

素因数の和:1799

約数の個数: 96

約数和(自身を含む): 34726019328

約数和(自身を除く): 14600495871

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 307, 391, 663, 897, 921, 1173, 1433, 1989, 2691, 2763, 3519, 3991, 4299, 5083, 5219, 7061, 11973, 12897, 15249, 15657, 18629, 21183, 24361, 32959, 35919, 45747, 46971, 55887, 63549, 67847, 73083, 91793, 98877, 120037, 167661, 203541, 219249, 275379, 296631, 316693, 360111, 428467, 439931, 560303, 610623, 826137, 950079, 1080333, 1285401, 1319793, 1560481, 1680909, 2850237, 3856203, 3959379, 4681443, 5042727, 5719103, 7283939, 7478827, 10118413, 14044329, 17157309, 21851817, 22436481, 30355239, 51471927, 65555451, 67309443, 91065717, 97224751, 131539369, 172013021, 291674253, 394618107, 516039063, 875022759, 1183854321, 1548117189, 2236169273, 6708507819, 20125523457]

約数ペア:

[(1, 20125523457), (3, 6708507819), (9, 2236169273), (13, 1548117189), (17, 1183854321), (23, 875022759), (39, 516039063), (51, 394618107), (69, 291674253), (117, 172013021), (153, 131539369), (207, 97224751), (221, 91065717), (299, 67309443), (307, 65555451), (391, 51471927), (663, 30355239), (897, 22436481), (921, 21851817), (1173, 17157309), (1433, 14044329), (1989, 10118413), (2691, 7478827), (2763, 7283939), (3519, 5719103), (3991, 5042727), (4299, 4681443), (5083, 3959379), (5219, 3856203), (7061, 2850237), (11973, 1680909), (12897, 1560481), (15249, 1319793), (15657, 1285401), (18629, 1080333), (21183, 950079), (24361, 826137), (32959, 610623), (35919, 560303), (45747, 439931), (46971, 428467), (55887, 360111), (63549, 316693), (67847, 296631), (73083, 275379), (91793, 219249), (98877, 203541), (120037, 167661)]