20908986

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71119}}^1$

素因数の和:71138

約数の個数: 24

約数和(自身を含む): 48646080

約数和(自身を除く): 27737094

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71119, 142238, 213357, 426714, 497833, 995666, 1493499, 2986998, 3484831, 6969662, 10454493, 20908986]

約数ペア:

[(1, 20908986), (2, 10454493), (3, 6969662), (6, 3484831), (7, 2986998), (14, 1493499), (21, 995666), (42, 497833), (49, 426714), (98, 213357), (147, 142238), (294, 71119)]