20199142692

素因数分解:

$2^2\times 3^5\times {\mathrm{1993}}^1\times {\mathrm{10427}}^1$

素因数の和:12439

約数の個数: 72

約数和(自身を含む): 52981664736

約数和(自身を除く): 32782522044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 1993, 3986, 5979, 7972, 10427, 11958, 17937, 20854, 23916, 31281, 35874, 41708, 53811, 62562, 71748, 93843, 107622, 125124, 161433, 187686, 215244, 281529, 322866, 375372, 484299, 563058, 645732, 844587, 968598, 1126116, 1689174, 1937196, 2533761, 3378348, 5067522, 10135044, 20781011, 41562022, 62343033, 83124044, 124686066, 187029099, 249372132, 374058198, 561087297, 748116396, 1122174594, 1683261891, 2244349188, 3366523782, 5049785673, 6733047564, 10099571346, 20199142692]

約数ペア:

[(1, 20199142692), (2, 10099571346), (3, 6733047564), (4, 5049785673), (6, 3366523782), (9, 2244349188), (12, 1683261891), (18, 1122174594), (27, 748116396), (36, 561087297), (54, 374058198), (81, 249372132), (108, 187029099), (162, 124686066), (243, 83124044), (324, 62343033), (486, 41562022), (972, 20781011), (1993, 10135044), (3986, 5067522), (5979, 3378348), (7972, 2533761), (10427, 1937196), (11958, 1689174), (17937, 1126116), (20854, 968598), (23916, 844587), (31281, 645732), (35874, 563058), (41708, 484299), (53811, 375372), (62562, 322866), (71748, 281529), (93843, 215244), (107622, 187686), (125124, 161433)]