20457469812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{548693}}^1$

素因数の和:548952

約数の個数: 48

約数和(自身を含む): 51621131520

約数和(自身を除く): 31163661708

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 239, 478, 717, 956, 1434, 2868, 3107, 6214, 9321, 12428, 18642, 37284, 548693, 1097386, 1646079, 2194772, 3292158, 6584316, 7133009, 14266018, 21399027, 28532036, 42798054, 85596108, 131137627, 262275254, 393412881, 524550508, 786825762, 1573651524, 1704789151, 3409578302, 5114367453, 6819156604, 10228734906, 20457469812]

約数ペア:

[(1, 20457469812), (2, 10228734906), (3, 6819156604), (4, 5114367453), (6, 3409578302), (12, 1704789151), (13, 1573651524), (26, 786825762), (39, 524550508), (52, 393412881), (78, 262275254), (156, 131137627), (239, 85596108), (478, 42798054), (717, 28532036), (956, 21399027), (1434, 14266018), (2868, 7133009), (3107, 6584316), (6214, 3292158), (9321, 2194772), (12428, 1646079), (18642, 1097386), (37284, 548693)]