20170096

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1543}}^1$

素因数の和:1613

約数の個数: 40

約数和(自身を含む): 42120320

約数和(自身を除く): 21950224

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1543, 1634, 3086, 3268, 6172, 6536, 12344, 13072, 24688, 29317, 58634, 66349, 117268, 132698, 234536, 265396, 469072, 530792, 1061584, 1260631, 2521262, 5042524, 10085048, 20170096]

約数ペア:

[(1, 20170096), (2, 10085048), (4, 5042524), (8, 2521262), (16, 1260631), (19, 1061584), (38, 530792), (43, 469072), (76, 265396), (86, 234536), (152, 132698), (172, 117268), (304, 66349), (344, 58634), (688, 29317), (817, 24688), (1543, 13072), (1634, 12344), (3086, 6536), (3268, 6172)]