20216638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 35271936

約数和(自身を除く): 15055298

約数列:

[1, 2, 13, 17, 26, 34, 53, 106, 221, 442, 689, 863, 901, 1378, 1726, 1802, 11219, 11713, 14671, 22438, 23426, 29342, 45739, 91478, 190723, 381446, 594607, 777563, 1189214, 1555126, 10108319, 20216638]

約数ペア:

[(1, 20216638), (2, 10108319), (13, 1555126), (17, 1189214), (26, 777563), (34, 594607), (53, 381446), (106, 190723), (221, 91478), (442, 45739), (689, 29342), (863, 23426), (901, 22438), (1378, 14671), (1726, 11713), (1802, 11219)]