2020515

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{2749}}^1$

素因数の和:2771

約数の個数: 24

約数和(自身を含む): 3762000

約数和(自身を除く): 1741485

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 2749, 8247, 13745, 19243, 41235, 57729, 96215, 134701, 288645, 404103, 673505, 2020515]

約数ペア:

[(1, 2020515), (3, 673505), (5, 404103), (7, 288645), (15, 134701), (21, 96215), (35, 57729), (49, 41235), (105, 19243), (147, 13745), (245, 8247), (735, 2749)]