20643378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6733}}^1$

素因数の和:6818

約数の個数: 32

約数和(自身を含む): 47838336

約数和(自身を除く): 27194958

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6733, 13466, 20199, 40398, 47131, 94262, 141393, 282786, 491509, 983018, 1474527, 2949054, 3440563, 6881126, 10321689, 20643378]

約数ペア:

[(1, 20643378), (2, 10321689), (3, 6881126), (6, 3440563), (7, 2949054), (14, 1474527), (21, 983018), (42, 491509), (73, 282786), (146, 141393), (219, 94262), (438, 47131), (511, 40398), (1022, 20199), (1533, 13466), (3066, 6733)]