1980712220

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{229781}}^1$

素因数の和:230221

約数の個数: 24

約数和(自身を含む): 4169164608

約数和(自身を除く): 2188452388

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 229781, 459562, 919124, 1148905, 2297810, 4595620, 99035611, 198071222, 396142444, 495178055, 990356110, 1980712220]

約数ペア:

[(1, 1980712220), (2, 990356110), (4, 495178055), (5, 396142444), (10, 198071222), (20, 99035611), (431, 4595620), (862, 2297810), (1724, 1148905), (2155, 919124), (4310, 459562), (8620, 229781)]