420920944

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{370529}}^1$

素因数の和:370608

約数の個数: 20

約数和(自身を含む): 827022960

約数和(自身を除く): 406102016

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 370529, 741058, 1482116, 2964232, 5928464, 26307559, 52615118, 105230236, 210460472, 420920944]

約数ペア:

[(1, 420920944), (2, 210460472), (4, 105230236), (8, 52615118), (16, 26307559), (71, 5928464), (142, 2964232), (284, 1482116), (568, 741058), (1136, 370529)]