20176988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10487}}^1$

素因数の和:10541

約数の個数: 24

約数和(自身を含む): 39057312

約数和(自身を除く): 18880324

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 10487, 20974, 41948, 136331, 272662, 388019, 545324, 776038, 1552076, 5044247, 10088494, 20176988]

約数ペア:

[(1, 20176988), (2, 10088494), (4, 5044247), (13, 1552076), (26, 776038), (37, 545324), (52, 388019), (74, 272662), (148, 136331), (481, 41948), (962, 20974), (1924, 10487)]