20410745936

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2047627}}^1$

素因数の和:2047731

約数の個数: 40

約数和(自身を含む): 45703056960

約数和(自身を除く): 25292311024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 2047627, 4095254, 8190508, 14333389, 16381016, 28666778, 32762032, 57333556, 114667112, 182238803, 229334224, 364477606, 728955212, 1275671621, 1457910424, 2551343242, 2915820848, 5102686484, 10205372968, 20410745936]

約数ペア:

[(1, 20410745936), (2, 10205372968), (4, 5102686484), (7, 2915820848), (8, 2551343242), (14, 1457910424), (16, 1275671621), (28, 728955212), (56, 364477606), (89, 229334224), (112, 182238803), (178, 114667112), (356, 57333556), (623, 32762032), (712, 28666778), (1246, 16381016), (1424, 14333389), (2492, 8190508), (4984, 4095254), (9968, 2047627)]