20512991504

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{3873299}}^1$

素因数の和:3873638

約数の個数: 20

約数和(自身を含む): 39864003600

約数和(自身を除く): 19351012096

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 3873299, 7746598, 15493196, 30986392, 61972784, 1282061969, 2564123938, 5128247876, 10256495752, 20512991504]

約数ペア:

[(1, 20512991504), (2, 10256495752), (4, 5128247876), (8, 2564123938), (16, 1282061969), (331, 61972784), (662, 30986392), (1324, 15493196), (2648, 7746598), (5296, 3873299)]