20175363957

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1\times {\mathrm{21911}}^1$

素因数の和:22353

約数の個数: 32

約数和(自身を含む): 31048427520

約数和(自身を除く): 10873063563

約数列:

[1, 3, 7, 21, 163, 269, 489, 807, 1141, 1883, 3423, 5649, 21911, 43847, 65733, 131541, 153377, 306929, 460131, 920787, 3571493, 5894059, 10714479, 17682177, 25000451, 41258413, 75001353, 123775239, 960731617, 2882194851, 6725121319, 20175363957]

約数ペア:

[(1, 20175363957), (3, 6725121319), (7, 2882194851), (21, 960731617), (163, 123775239), (269, 75001353), (489, 41258413), (807, 25000451), (1141, 17682177), (1883, 10714479), (3423, 5894059), (5649, 3571493), (21911, 920787), (43847, 460131), (65733, 306929), (131541, 153377)]