20067460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20477}}^1$

素因数の和:20500

約数の個数: 36

約数和(自身を含む): 49024332

約数和(自身を除く): 28956872

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20477, 40954, 81908, 102385, 143339, 204770, 286678, 409540, 573356, 716695, 1003373, 1433390, 2006746, 2866780, 4013492, 5016865, 10033730, 20067460]

約数ペア:

[(1, 20067460), (2, 10033730), (4, 5016865), (5, 4013492), (7, 2866780), (10, 2006746), (14, 1433390), (20, 1003373), (28, 716695), (35, 573356), (49, 409540), (70, 286678), (98, 204770), (140, 143339), (196, 102385), (245, 81908), (490, 40954), (980, 20477)]