63571220

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{3929}}^1$

素因数の和:4747

約数の個数: 24

約数和(自身を含む): 133698600

約数和(自身を除く): 70127380

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 3929, 4045, 7858, 8090, 15716, 16180, 19645, 39290, 78580, 3178561, 6357122, 12714244, 15892805, 31785610, 63571220]

約数ペア:

[(1, 63571220), (2, 31785610), (4, 15892805), (5, 12714244), (10, 6357122), (20, 3178561), (809, 78580), (1618, 39290), (3236, 19645), (3929, 16180), (4045, 15716), (7858, 8090)]