20287100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5483}}^1$

素因数の和:5534

約数の個数: 36

約数和(自身を含む): 45221064

約数和(自身を除く): 24933964

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5483, 10966, 21932, 27415, 54830, 109660, 137075, 202871, 274150, 405742, 548300, 811484, 1014355, 2028710, 4057420, 5071775, 10143550, 20287100]

約数ペア:

[(1, 20287100), (2, 10143550), (4, 5071775), (5, 4057420), (10, 2028710), (20, 1014355), (25, 811484), (37, 548300), (50, 405742), (74, 274150), (100, 202871), (148, 137075), (185, 109660), (370, 54830), (740, 27415), (925, 21932), (1850, 10966), (3700, 5483)]