20129424

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:588

約数の個数: 80

約数和(自身を含む): 59996160

約数和(自身を除く): 39866736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 139, 168, 278, 336, 417, 431, 556, 834, 862, 973, 1112, 1293, 1668, 1724, 1946, 2224, 2586, 2919, 3017, 3336, 3448, 3892, 5172, 5838, 6034, 6672, 6896, 7784, 9051, 10344, 11676, 12068, 15568, 18102, 20688, 23352, 24136, 36204, 46704, 48272, 59909, 72408, 119818, 144816, 179727, 239636, 359454, 419363, 479272, 718908, 838726, 958544, 1258089, 1437816, 1677452, 2516178, 2875632, 3354904, 5032356, 6709808, 10064712, 20129424]

約数ペア:

[(1, 20129424), (2, 10064712), (3, 6709808), (4, 5032356), (6, 3354904), (7, 2875632), (8, 2516178), (12, 1677452), (14, 1437816), (16, 1258089), (21, 958544), (24, 838726), (28, 718908), (42, 479272), (48, 419363), (56, 359454), (84, 239636), (112, 179727), (139, 144816), (168, 119818), (278, 72408), (336, 59909), (417, 48272), (431, 46704), (556, 36204), (834, 24136), (862, 23352), (973, 20688), (1112, 18102), (1293, 15568), (1668, 12068), (1724, 11676), (1946, 10344), (2224, 9051), (2586, 7784), (2919, 6896), (3017, 6672), (3336, 6034), (3448, 5838), (3892, 5172)]