20867375053

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{1471}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 25674624000

約数和(自身を除く): 4807248947

約数列:

[1, 7, 29, 49, 67, 149, 203, 469, 1043, 1421, 1471, 1943, 3283, 4321, 7301, 9983, 10297, 13601, 30247, 42659, 69881, 72079, 95207, 98557, 211729, 219179, 289507, 298613, 489167, 689899, 1534253, 2026549, 2090291, 2858153, 4829293, 6356191, 10739771, 14185843, 14684993, 20007071, 44493337, 102794951, 140049497, 311453359, 425864797, 719564657, 2981053579, 20867375053]

約数ペア:

[(1, 20867375053), (7, 2981053579), (29, 719564657), (49, 425864797), (67, 311453359), (149, 140049497), (203, 102794951), (469, 44493337), (1043, 20007071), (1421, 14684993), (1471, 14185843), (1943, 10739771), (3283, 6356191), (4321, 4829293), (7301, 2858153), (9983, 2090291), (10297, 2026549), (13601, 1534253), (30247, 689899), (42659, 489167), (69881, 298613), (72079, 289507), (95207, 219179), (98557, 211729)]