20603820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9281}}^1$

素因数の和:9330

約数の個数: 48

約数和(自身を含む): 59256288

約数和(自身を除く): 38652468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9281, 18562, 27843, 37124, 46405, 55686, 92810, 111372, 139215, 185620, 278430, 343397, 556860, 686794, 1030191, 1373588, 1716985, 2060382, 3433970, 4120764, 5150955, 6867940, 10301910, 20603820]

約数ペア:

[(1, 20603820), (2, 10301910), (3, 6867940), (4, 5150955), (5, 4120764), (6, 3433970), (10, 2060382), (12, 1716985), (15, 1373588), (20, 1030191), (30, 686794), (37, 556860), (60, 343397), (74, 278430), (111, 185620), (148, 139215), (185, 111372), (222, 92810), (370, 55686), (444, 46405), (555, 37124), (740, 27843), (1110, 18562), (2220, 9281)]