20975066

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 16183846

約数列:

[1, 2, 7, 14, 47, 94, 127, 251, 254, 329, 502, 658, 889, 1757, 1778, 3514, 5969, 11797, 11938, 23594, 31877, 41783, 63754, 82579, 83566, 165158, 223139, 446278, 1498219, 2996438, 10487533, 20975066]

約数ペア:

[(1, 20975066), (2, 10487533), (7, 2996438), (14, 1498219), (47, 446278), (94, 223139), (127, 165158), (251, 83566), (254, 82579), (329, 63754), (502, 41783), (658, 31877), (889, 23594), (1757, 11938), (1778, 11797), (3514, 5969)]