20120711020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1\times {\mathrm{15331}}^1$

素因数の和:15862

約数の個数: 48

約数和(自身を含む): 42593031936

約数和(自身を除く): 22472320916

約数列:

[1, 2, 4, 5, 10, 20, 211, 311, 422, 622, 844, 1055, 1244, 1555, 2110, 3110, 4220, 6220, 15331, 30662, 61324, 65621, 76655, 131242, 153310, 262484, 306620, 328105, 656210, 1312420, 3234841, 4767941, 6469682, 9535882, 12939364, 16174205, 19071764, 23839705, 32348410, 47679410, 64696820, 95358820, 1006035551, 2012071102, 4024142204, 5030177755, 10060355510, 20120711020]

約数ペア:

[(1, 20120711020), (2, 10060355510), (4, 5030177755), (5, 4024142204), (10, 2012071102), (20, 1006035551), (211, 95358820), (311, 64696820), (422, 47679410), (622, 32348410), (844, 23839705), (1055, 19071764), (1244, 16174205), (1555, 12939364), (2110, 9535882), (3110, 6469682), (4220, 4767941), (6220, 3234841), (15331, 1312420), (30662, 656210), (61324, 328105), (65621, 306620), (76655, 262484), (131242, 153310)]