20378008

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2179}}^1$

素因数の和:2359

約数の個数: 32

約数和(自身を含む): 43948800

約数和(自身を除く): 23570792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2179, 2338, 4358, 4676, 8716, 9352, 15253, 17432, 30506, 61012, 122024, 363893, 727786, 1455572, 2547251, 2911144, 5094502, 10189004, 20378008]

約数ペア:

[(1, 20378008), (2, 10189004), (4, 5094502), (7, 2911144), (8, 2547251), (14, 1455572), (28, 727786), (56, 363893), (167, 122024), (334, 61012), (668, 30506), (1169, 17432), (1336, 15253), (2179, 9352), (2338, 8716), (4358, 4676)]