20462890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41761}}^1$

素因数の和:41782

約数の個数: 24

約数和(自身を含む): 42847812

約数和(自身を除く): 22384922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41761, 83522, 208805, 292327, 417610, 584654, 1461635, 2046289, 2923270, 4092578, 10231445, 20462890]

約数ペア:

[(1, 20462890), (2, 10231445), (5, 4092578), (7, 2923270), (10, 2046289), (14, 1461635), (35, 584654), (49, 417610), (70, 292327), (98, 208805), (245, 83522), (490, 41761)]