20199985480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29705861}}^1$

素因数の和:29705889

約数の個数: 32

約数和(自身を含む): 48123496440

約数和(自身を除く): 27923510960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29705861, 59411722, 118823444, 148529305, 237646888, 297058610, 504999637, 594117220, 1009999274, 1188234440, 2019998548, 2524998185, 4039997096, 5049996370, 10099992740, 20199985480]

約数ペア:

[(1, 20199985480), (2, 10099992740), (4, 5049996370), (5, 4039997096), (8, 2524998185), (10, 2019998548), (17, 1188234440), (20, 1009999274), (34, 594117220), (40, 504999637), (68, 297058610), (85, 237646888), (136, 148529305), (170, 118823444), (340, 59411722), (680, 29705861)]