20021200

素因数分解:

$2^4\times 5^2\times {\mathrm{50053}}^1$

素因数の和:50071

約数の個数: 30

約数和(自身を含む): 48101894

約数和(自身を除く): 28080694

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50053, 100106, 200212, 250265, 400424, 500530, 800848, 1001060, 1251325, 2002120, 2502650, 4004240, 5005300, 10010600, 20021200]

約数ペア:

[(1, 20021200), (2, 10010600), (4, 5005300), (5, 4004240), (8, 2502650), (10, 2002120), (16, 1251325), (20, 1001060), (25, 800848), (40, 500530), (50, 400424), (80, 250265), (100, 200212), (200, 100106), (400, 50053)]