20711200

素因数分解:

$2^5\times 5^2\times {\mathrm{25889}}^1$

素因数の和:25909

約数の個数: 36

約数和(自身を含む): 50563170

約数和(自身を除く): 29851970

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25889, 51778, 103556, 129445, 207112, 258890, 414224, 517780, 647225, 828448, 1035560, 1294450, 2071120, 2588900, 4142240, 5177800, 10355600, 20711200]

約数ペア:

[(1, 20711200), (2, 10355600), (4, 5177800), (5, 4142240), (8, 2588900), (10, 2071120), (16, 1294450), (20, 1035560), (25, 828448), (32, 647225), (40, 517780), (50, 414224), (80, 258890), (100, 207112), (160, 129445), (200, 103556), (400, 51778), (800, 25889)]