20450517

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{719}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 28800000

約数和(自身を除く): 8349483

約数列:

[1, 3, 19, 57, 499, 719, 1497, 2157, 9481, 13661, 28443, 40983, 358781, 1076343, 6816839, 20450517]

約数ペア:

[(1, 20450517), (3, 6816839), (19, 1076343), (57, 358781), (499, 40983), (719, 28443), (1497, 13661), (2157, 9481)]