20006888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2251}}^1$

素因数の和:2369

約数の個数: 32

約数和(自身を含む): 41346720

約数和(自身を除く): 21339832

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 2251, 4444, 4502, 8888, 9004, 18008, 24761, 49522, 99044, 198088, 227351, 454702, 909404, 1818808, 2500861, 5001722, 10003444, 20006888]

約数ペア:

[(1, 20006888), (2, 10003444), (4, 5001722), (8, 2500861), (11, 1818808), (22, 909404), (44, 454702), (88, 227351), (101, 198088), (202, 99044), (404, 49522), (808, 24761), (1111, 18008), (2222, 9004), (2251, 8888), (4444, 4502)]