20958056

素因数分解:

$2^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1381}}^1$

素因数の和:1665

約数の個数: 32

約数和(自身を含む): 45108480

約数和(自身を除く): 24150424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 271, 542, 1084, 1381, 1897, 2168, 2762, 3794, 5524, 7588, 9667, 11048, 15176, 19334, 38668, 77336, 374251, 748502, 1497004, 2619757, 2994008, 5239514, 10479028, 20958056]

約数ペア:

[(1, 20958056), (2, 10479028), (4, 5239514), (7, 2994008), (8, 2619757), (14, 1497004), (28, 748502), (56, 374251), (271, 77336), (542, 38668), (1084, 19334), (1381, 15176), (1897, 11048), (2168, 9667), (2762, 7588), (3794, 5524)]