20803204821

素因数分解:

$3^1\times 7^1\times {\mathrm{2347}}^1\times {\mathrm{422083}}^1$

素因数の和:424440

約数の個数: 16

約数和(自身を含む): 31713703424

約数和(自身を除く): 10910498603

約数列:

[1, 3, 7, 21, 2347, 7041, 16429, 49287, 422083, 1266249, 2954581, 8863743, 990628801, 2971886403, 6934401607, 20803204821]

約数ペア:

[(1, 20803204821), (3, 6934401607), (7, 2971886403), (21, 990628801), (2347, 8863743), (7041, 2954581), (16429, 1266249), (49287, 422083)]