20633655

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 18436425

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 67, 105, 147, 201, 245, 335, 419, 469, 735, 1005, 1257, 1407, 2095, 2345, 2933, 3283, 6285, 7035, 8799, 9849, 14665, 16415, 20531, 28073, 43995, 49245, 61593, 84219, 102655, 140365, 196511, 307965, 421095, 589533, 982555, 1375577, 2947665, 4126731, 6877885, 20633655]

約数ペア:

[(1, 20633655), (3, 6877885), (5, 4126731), (7, 2947665), (15, 1375577), (21, 982555), (35, 589533), (49, 421095), (67, 307965), (105, 196511), (147, 140365), (201, 102655), (245, 84219), (335, 61593), (419, 49245), (469, 43995), (735, 28073), (1005, 20531), (1257, 16415), (1407, 14665), (2095, 9849), (2345, 8799), (2933, 7035), (3283, 6285)]