20121017028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1523}}^1\times {\mathrm{157279}}^1$

素因数の和:158816

約数の個数: 48

約数和(自身を含む): 53691617280

約数和(自身を除く): 33570600252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1523, 3046, 4569, 6092, 9138, 10661, 18276, 21322, 31983, 42644, 63966, 127932, 157279, 314558, 471837, 629116, 943674, 1100953, 1887348, 2201906, 3302859, 4403812, 6605718, 13211436, 239535917, 479071834, 718607751, 958143668, 1437215502, 1676751419, 2874431004, 3353502838, 5030254257, 6707005676, 10060508514, 20121017028]

約数ペア:

[(1, 20121017028), (2, 10060508514), (3, 6707005676), (4, 5030254257), (6, 3353502838), (7, 2874431004), (12, 1676751419), (14, 1437215502), (21, 958143668), (28, 718607751), (42, 479071834), (84, 239535917), (1523, 13211436), (3046, 6605718), (4569, 4403812), (6092, 3302859), (9138, 2201906), (10661, 1887348), (18276, 1100953), (21322, 943674), (31983, 629116), (42644, 471837), (63966, 314558), (127932, 157279)]