20022400

素因数分解:

$2^7\times 5^2\times {\mathrm{6257}}^1$

素因数の和:6281

約数の個数: 48

約数和(自身を含む): 49469490

約数和(自身を除く): 29447090

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6257, 12514, 25028, 31285, 50056, 62570, 100112, 125140, 156425, 200224, 250280, 312850, 400448, 500560, 625700, 800896, 1001120, 1251400, 2002240, 2502800, 4004480, 5005600, 10011200, 20022400]

約数ペア:

[(1, 20022400), (2, 10011200), (4, 5005600), (5, 4004480), (8, 2502800), (10, 2002240), (16, 1251400), (20, 1001120), (25, 800896), (32, 625700), (40, 500560), (50, 400448), (64, 312850), (80, 250280), (100, 200224), (128, 156425), (160, 125140), (200, 100112), (320, 62570), (400, 50056), (640, 31285), (800, 25028), (1600, 12514), (3200, 6257)]