20553656

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 39798000

約数和(自身を除く): 19244344

約数列:

[1, 2, 4, 8, 43, 86, 149, 172, 298, 344, 401, 596, 802, 1192, 1604, 3208, 6407, 12814, 17243, 25628, 34486, 51256, 59749, 68972, 119498, 137944, 238996, 477992, 2569207, 5138414, 10276828, 20553656]

約数ペア:

[(1, 20553656), (2, 10276828), (4, 5138414), (8, 2569207), (43, 477992), (86, 238996), (149, 137944), (172, 119498), (298, 68972), (344, 59749), (401, 51256), (596, 34486), (802, 25628), (1192, 17243), (1604, 12814), (3208, 6407)]