20512157918

素因数分解:

$2^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{821}}^1\times {\mathrm{7793}}^1$

素因数の和:8852

約数の個数: 32

約数和(自身を含む): 35364807360

約数和(自身を除く): 14852649442

約数列:

[1, 2, 7, 14, 229, 458, 821, 1603, 1642, 3206, 5747, 7793, 11494, 15586, 54551, 109102, 188009, 376018, 1316063, 1784597, 2632126, 3569194, 6398053, 12492179, 12796106, 24984358, 44786371, 89572742, 1465154137, 2930308274, 10256078959, 20512157918]

約数ペア:

[(1, 20512157918), (2, 10256078959), (7, 2930308274), (14, 1465154137), (229, 89572742), (458, 44786371), (821, 24984358), (1603, 12796106), (1642, 12492179), (3206, 6398053), (5747, 3569194), (7793, 2632126), (11494, 1784597), (15586, 1316063), (54551, 376018), (109102, 188009)]