200820170

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{20897}}^1$

素因数の和:20966

約数の個数: 24

約数和(自身を含む): 373530852

約数和(自身を除く): 172710682

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 4805, 9610, 20897, 41794, 104485, 208970, 647807, 1295614, 3239035, 6478070, 20082017, 40164034, 100410085, 200820170]

約数ペア:

[(1, 200820170), (2, 100410085), (5, 40164034), (10, 20082017), (31, 6478070), (62, 3239035), (155, 1295614), (310, 647807), (961, 208970), (1922, 104485), (4805, 41794), (9610, 20897)]