20671008

素因数分解:

$2^5\times 3^1\times {\mathrm{163}}^1\times {\mathrm{1321}}^1$

素因数の和:1497

約数の個数: 48

約数和(自身を含む): 54635616

約数和(自身を除く): 33964608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 163, 326, 489, 652, 978, 1304, 1321, 1956, 2608, 2642, 3912, 3963, 5216, 5284, 7824, 7926, 10568, 15648, 15852, 21136, 31704, 42272, 63408, 126816, 215323, 430646, 645969, 861292, 1291938, 1722584, 2583876, 3445168, 5167752, 6890336, 10335504, 20671008]

約数ペア:

[(1, 20671008), (2, 10335504), (3, 6890336), (4, 5167752), (6, 3445168), (8, 2583876), (12, 1722584), (16, 1291938), (24, 861292), (32, 645969), (48, 430646), (96, 215323), (163, 126816), (326, 63408), (489, 42272), (652, 31704), (978, 21136), (1304, 15852), (1321, 15648), (1956, 10568), (2608, 7926), (2642, 7824), (3912, 5284), (3963, 5216)]