20017191705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11214113}}^1$

素因数の和:11214145

約数の個数: 32

約数和(自身を含む): 38755977984

約数和(自身を除く): 18738786279

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11214113, 33642339, 56070565, 78498791, 168211695, 190639921, 235496373, 392493955, 571919763, 953199605, 1177481865, 1334479447, 2859598815, 4003438341, 6672397235, 20017191705]

約数ペア:

[(1, 20017191705), (3, 6672397235), (5, 4003438341), (7, 2859598815), (15, 1334479447), (17, 1177481865), (21, 953199605), (35, 571919763), (51, 392493955), (85, 235496373), (105, 190639921), (119, 168211695), (255, 78498791), (357, 56070565), (595, 33642339), (1785, 11214113)]