20216353906

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18278801}}^1$

素因数の和:18278889

約数の個数: 16

約数和(自身を含む): 35095299840

約数和(自身を除く): 14878945934

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 18278801, 36557602, 127951607, 255903214, 1444025279, 2888050558, 10108176953, 20216353906]

約数ペア:

[(1, 20216353906), (2, 10108176953), (7, 2888050558), (14, 1444025279), (79, 255903214), (158, 127951607), (553, 36557602), (1106, 18278801)]