20424784

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41179}}^1$

素因数の和:41218

約数の個数: 20

約数和(自身を含む): 40850560

約数和(自身を除く): 20425776

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41179, 82358, 164716, 329432, 658864, 1276549, 2553098, 5106196, 10212392, 20424784]

約数ペア:

[(1, 20424784), (2, 10212392), (4, 5106196), (8, 2553098), (16, 1276549), (31, 658864), (62, 329432), (124, 164716), (248, 82358), (496, 41179)]