20847400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14891}}^1$

素因数の和:14914

約数の個数: 48

約数和(自身を含む): 55398240

約数和(自身を除く): 34550840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 14891, 29782, 59564, 74455, 104237, 119128, 148910, 208474, 297820, 372275, 416948, 521185, 595640, 744550, 833896, 1042370, 1489100, 2084740, 2605925, 2978200, 4169480, 5211850, 10423700, 20847400]

約数ペア:

[(1, 20847400), (2, 10423700), (4, 5211850), (5, 4169480), (7, 2978200), (8, 2605925), (10, 2084740), (14, 1489100), (20, 1042370), (25, 833896), (28, 744550), (35, 595640), (40, 521185), (50, 416948), (56, 372275), (70, 297820), (100, 208474), (140, 148910), (175, 119128), (200, 104237), (280, 74455), (350, 59564), (700, 29782), (1400, 14891)]