20402704

素因数分解:

$2^4\times 7^1\times {\mathrm{182167}}^1$

素因数の和:182182

約数の個数: 20

約数和(自身を含む): 45177664

約数和(自身を除く): 24774960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182167, 364334, 728668, 1275169, 1457336, 2550338, 2914672, 5100676, 10201352, 20402704]

約数ペア:

[(1, 20402704), (2, 10201352), (4, 5100676), (7, 2914672), (8, 2550338), (14, 1457336), (16, 1275169), (28, 728668), (56, 364334), (112, 182167)]