20176814360

素因数分解:

$2^3\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{275489}}^1$

素因数の和:277331

約数の個数: 32

約数和(自身を含む): 45422791200

約数和(自身を除く): 25245976840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1831, 3662, 7324, 9155, 14648, 18310, 36620, 73240, 275489, 550978, 1101956, 1377445, 2203912, 2754890, 5509780, 11019560, 504420359, 1008840718, 2017681436, 2522101795, 4035362872, 5044203590, 10088407180, 20176814360]

約数ペア:

[(1, 20176814360), (2, 10088407180), (4, 5044203590), (5, 4035362872), (8, 2522101795), (10, 2017681436), (20, 1008840718), (40, 504420359), (1831, 11019560), (3662, 5509780), (7324, 2754890), (9155, 2203912), (14648, 1377445), (18310, 1101956), (36620, 550978), (73240, 275489)]