1620944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{7793}}^1$

素因数の和:7814

約数の個数: 20

約数和(自身を含む): 3382596

約数和(自身を除く): 1761652

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 7793, 15586, 31172, 62344, 101309, 124688, 202618, 405236, 810472, 1620944]

約数ペア:

[(1, 1620944), (2, 810472), (4, 405236), (8, 202618), (13, 124688), (16, 101309), (26, 62344), (52, 31172), (104, 15586), (208, 7793)]