20207252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4919}}^1$

素因数の和:5015

約数の個数: 24

約数和(自身を含む): 38572800

約数和(自身を除く): 18365548

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 4919, 9838, 19676, 63947, 127894, 255788, 388601, 777202, 1554404, 5051813, 10103626, 20207252]

約数ペア:

[(1, 20207252), (2, 10103626), (4, 5051813), (13, 1554404), (26, 777202), (52, 388601), (79, 255788), (158, 127894), (316, 63947), (1027, 19676), (2054, 9838), (4108, 4919)]