20401722

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{617}}^1$

素因数の和:803

約数の個数: 48

約数和(自身を含む): 48589632

約数和(自身を除く): 28187910

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 167, 198, 334, 501, 617, 1002, 1234, 1503, 1837, 1851, 3006, 3674, 3702, 5511, 5553, 6787, 11022, 11106, 13574, 16533, 20361, 33066, 40722, 61083, 103039, 122166, 206078, 309117, 618234, 927351, 1133429, 1854702, 2266858, 3400287, 6800574, 10200861, 20401722]

約数ペア:

[(1, 20401722), (2, 10200861), (3, 6800574), (6, 3400287), (9, 2266858), (11, 1854702), (18, 1133429), (22, 927351), (33, 618234), (66, 309117), (99, 206078), (167, 122166), (198, 103039), (334, 61083), (501, 40722), (617, 33066), (1002, 20361), (1234, 16533), (1503, 13574), (1837, 11106), (1851, 11022), (3006, 6787), (3674, 5553), (3702, 5511)]