20147000920

素因数分解:

$2^3\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{456641}}^1$

素因数の和:457755

約数の個数: 32

約数和(自身を含む): 45371949120

約数和(自身を除く): 25224948200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1103, 2206, 4412, 5515, 8824, 11030, 22060, 44120, 456641, 913282, 1826564, 2283205, 3653128, 4566410, 9132820, 18265640, 503675023, 1007350046, 2014700092, 2518375115, 4029400184, 5036750230, 10073500460, 20147000920]

約数ペア:

[(1, 20147000920), (2, 10073500460), (4, 5036750230), (5, 4029400184), (8, 2518375115), (10, 2014700092), (20, 1007350046), (40, 503675023), (1103, 18265640), (2206, 9132820), (4412, 4566410), (5515, 3653128), (8824, 2283205), (11030, 1826564), (22060, 913282), (44120, 456641)]