20020660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8273}}^1$

素因数の和:8304

約数の個数: 36

約数和(自身を含む): 46218564

約数和(自身を除く): 26197904

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8273, 16546, 33092, 41365, 82730, 91003, 165460, 182006, 364012, 455015, 910030, 1001033, 1820060, 2002066, 4004132, 5005165, 10010330, 20020660]

約数ペア:

[(1, 20020660), (2, 10010330), (4, 5005165), (5, 4004132), (10, 2002066), (11, 1820060), (20, 1001033), (22, 910030), (44, 455015), (55, 364012), (110, 182006), (121, 165460), (220, 91003), (242, 82730), (484, 41365), (605, 33092), (1210, 16546), (2420, 8273)]