20946800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7481}}^1$

素因数の和:7506

約数の個数: 60

約数和(自身を含む): 57521616

約数和(自身を除く): 36574816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7481, 14962, 29924, 37405, 52367, 59848, 74810, 104734, 119696, 149620, 187025, 209468, 261835, 299240, 374050, 418936, 523670, 598480, 748100, 837872, 1047340, 1309175, 1496200, 2094680, 2618350, 2992400, 4189360, 5236700, 10473400, 20946800]

約数ペア:

[(1, 20946800), (2, 10473400), (4, 5236700), (5, 4189360), (7, 2992400), (8, 2618350), (10, 2094680), (14, 1496200), (16, 1309175), (20, 1047340), (25, 837872), (28, 748100), (35, 598480), (40, 523670), (50, 418936), (56, 374050), (70, 299240), (80, 261835), (100, 209468), (112, 187025), (140, 149620), (175, 119696), (200, 104734), (280, 74810), (350, 59848), (400, 52367), (560, 37405), (700, 29924), (1400, 14962), (2800, 7481)]