20404678

素因数分解:

$2^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{3529}}^1$

素因数の和:3604

約数の個数: 24

約数和(自身を含む): 36217800

約数和(自身を除く): 15813122

約数列:

[1, 2, 7, 14, 49, 59, 98, 118, 413, 826, 2891, 3529, 5782, 7058, 24703, 49406, 172921, 208211, 345842, 416422, 1457477, 2914954, 10202339, 20404678]

約数ペア:

[(1, 20404678), (2, 10202339), (7, 2914954), (14, 1457477), (49, 416422), (59, 345842), (98, 208211), (118, 172921), (413, 49406), (826, 24703), (2891, 7058), (3529, 5782)]