20102927720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29563129}}^1$

素因数の和:29563157

約数の個数: 32

約数和(自身を含む): 47892270600

約数和(自身を除く): 27789342880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29563129, 59126258, 118252516, 147815645, 236505032, 295631290, 502573193, 591262580, 1005146386, 1182525160, 2010292772, 2512865965, 4020585544, 5025731930, 10051463860, 20102927720]

約数ペア:

[(1, 20102927720), (2, 10051463860), (4, 5025731930), (5, 4020585544), (8, 2512865965), (10, 2010292772), (17, 1182525160), (20, 1005146386), (34, 591262580), (40, 502573193), (68, 295631290), (85, 236505032), (136, 147815645), (170, 118252516), (340, 59126258), (680, 29563129)]