20194992012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{3923}}^1\times {\mathrm{32999}}^1$

素因数の和:36942

約数の個数: 48

約数和(自身を含む): 50760864000

約数和(自身を除く): 30565871988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 3923, 7846, 11769, 15692, 23538, 32999, 47076, 50999, 65998, 98997, 101998, 131996, 152997, 197994, 203996, 305994, 395988, 428987, 611988, 857974, 1286961, 1715948, 2573922, 5147844, 129455077, 258910154, 388365231, 517820308, 776730462, 1553460924, 1682916001, 3365832002, 5048748003, 6731664004, 10097496006, 20194992012]

約数ペア:

[(1, 20194992012), (2, 10097496006), (3, 6731664004), (4, 5048748003), (6, 3365832002), (12, 1682916001), (13, 1553460924), (26, 776730462), (39, 517820308), (52, 388365231), (78, 258910154), (156, 129455077), (3923, 5147844), (7846, 2573922), (11769, 1715948), (15692, 1286961), (23538, 857974), (32999, 611988), (47076, 428987), (50999, 395988), (65998, 305994), (98997, 203996), (101998, 197994), (131996, 152997)]