20589802

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{503}}^1$

素因数の和:813

約数の個数: 16

約数和(自身を含む): 31413312

約数和(自身を除く): 10823510

約数列:

[1, 2, 97, 194, 211, 422, 503, 1006, 20467, 40934, 48791, 97582, 106133, 212266, 10294901, 20589802]

約数ペア:

[(1, 20589802), (2, 10294901), (97, 212266), (194, 106133), (211, 97582), (422, 48791), (503, 40934), (1006, 20467)]