20005610

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3121}}^1$

素因数の和:3769

約数の個数: 16

約数和(自身を含む): 36077832

約数和(自身を除く): 16072222

約数列:

[1, 2, 5, 10, 641, 1282, 3121, 3205, 6242, 6410, 15605, 31210, 2000561, 4001122, 10002805, 20005610]

約数ペア:

[(1, 20005610), (2, 10002805), (5, 4001122), (10, 2000561), (641, 31210), (1282, 15605), (3121, 6410), (3205, 6242)]