20199817

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1601}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 23376384

約数和(自身を除く): 3176567

約数列:

[1, 11, 31, 37, 341, 407, 1147, 1601, 12617, 17611, 49631, 59237, 545941, 651607, 1836347, 20199817]

約数ペア:

[(1, 20199817), (11, 1836347), (31, 651607), (37, 545941), (341, 59237), (407, 49631), (1147, 17611), (1601, 12617)]