63426820

素因数分解:

$2^2\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{1907}}^1$

素因数の和:3579

約数の個数: 24

約数和(自身を含む): 133346304

約数和(自身を除く): 69919484

約数列:

[1, 2, 4, 5, 10, 20, 1663, 1907, 3326, 3814, 6652, 7628, 8315, 9535, 16630, 19070, 33260, 38140, 3171341, 6342682, 12685364, 15856705, 31713410, 63426820]

約数ペア:

[(1, 63426820), (2, 31713410), (4, 15856705), (5, 12685364), (10, 6342682), (20, 3171341), (1663, 38140), (1907, 33260), (3326, 19070), (3814, 16630), (6652, 9535), (7628, 8315)]