20120031561

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{9323}}^1$

素因数の和:9670

約数の個数: 48

約数和(自身を含む): 31913590464

約数和(自身を除く): 11793558903

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 277, 371, 831, 1113, 1939, 2597, 5817, 7791, 9323, 13573, 14681, 27969, 40719, 44043, 65261, 102767, 195783, 308301, 456827, 494119, 719369, 1370481, 1482357, 2158107, 2582471, 3458833, 7747413, 10376499, 18077297, 24211831, 54231891, 72635493, 126541079, 136870963, 379623237, 410612889, 958096741, 2874290223, 6706677187, 20120031561]

約数ペア:

[(1, 20120031561), (3, 6706677187), (7, 2874290223), (21, 958096741), (49, 410612889), (53, 379623237), (147, 136870963), (159, 126541079), (277, 72635493), (371, 54231891), (831, 24211831), (1113, 18077297), (1939, 10376499), (2597, 7747413), (5817, 3458833), (7791, 2582471), (9323, 2158107), (13573, 1482357), (14681, 1370481), (27969, 719369), (40719, 494119), (44043, 456827), (65261, 308301), (102767, 195783)]