20717497423

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{1237}}^1\times {\mathrm{140741}}^1$

素因数の和:142002

約数の個数: 16

約数和(自身を含む): 25090357824

約数和(自身を除く): 4372860401

約数列:

[1, 7, 17, 119, 1237, 8659, 21029, 140741, 147203, 985187, 2392597, 16748179, 174096617, 1218676319, 2959642489, 20717497423]

約数ペア:

[(1, 20717497423), (7, 2959642489), (17, 1218676319), (119, 174096617), (1237, 16748179), (8659, 2392597), (21029, 985187), (140741, 147203)]