20076770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40973}}^1$

素因数の和:40994

約数の個数: 24

約数和(自身を含む): 42039324

約数和(自身を除く): 21962554

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40973, 81946, 204865, 286811, 409730, 573622, 1434055, 2007677, 2868110, 4015354, 10038385, 20076770]

約数ペア:

[(1, 20076770), (2, 10038385), (5, 4015354), (7, 2868110), (10, 2007677), (14, 1434055), (35, 573622), (49, 409730), (70, 286811), (98, 204865), (245, 81946), (490, 40973)]