20807764990

素因数分解:

$2^1\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1609}}^1\times {\mathrm{2297}}^1$

素因数の和:4476

約数の個数: 32

約数和(自身を含む): 37560166560

約数和(自身を除く): 16752401570

約数列:

[1, 2, 5, 10, 563, 1126, 1609, 2297, 2815, 3218, 4594, 5630, 8045, 11485, 16090, 22970, 905867, 1293211, 1811734, 2586422, 3695873, 4529335, 6466055, 7391746, 9058670, 12932110, 18479365, 36958730, 2080776499, 4161552998, 10403882495, 20807764990]

約数ペア:

[(1, 20807764990), (2, 10403882495), (5, 4161552998), (10, 2080776499), (563, 36958730), (1126, 18479365), (1609, 12932110), (2297, 9058670), (2815, 7391746), (3218, 6466055), (4594, 4529335), (5630, 3695873), (8045, 2586422), (11485, 1811734), (16090, 1293211), (22970, 905867)]