20436692390

素因数分解:

$2^1\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{1420201}}^1$

素因数の和:1421647

約数の個数: 16

約数和(自身を含む): 36811635840

約数和(自身を除く): 16374943450

約数列:

[1, 2, 5, 10, 1439, 2878, 7195, 14390, 1420201, 2840402, 7101005, 14202010, 2043669239, 4087338478, 10218346195, 20436692390]

約数ペア:

[(1, 20436692390), (2, 10218346195), (5, 4087338478), (10, 2043669239), (1439, 14202010), (2878, 7101005), (7195, 2840402), (14390, 1420201)]