20989038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{499739}}^1$

素因数の和:499751

約数の個数: 16

約数和(自身を含む): 47975040

約数和(自身を除く): 26986002

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 499739, 999478, 1499217, 2998434, 3498173, 6996346, 10494519, 20989038]

約数ペア:

[(1, 20989038), (2, 10494519), (3, 6996346), (6, 3498173), (7, 2998434), (14, 1499217), (21, 999478), (42, 499739)]