20403291265

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{234211}}^1$

素因数の和:234373

約数の個数: 32

約数和(自身を含む): 29679344640

約数和(自身を除く): 9276053375

約数列:

[1, 5, 7, 19, 35, 95, 131, 133, 655, 665, 917, 2489, 4585, 12445, 17423, 87115, 234211, 1171055, 1639477, 4450009, 8197385, 22250045, 30681641, 31150063, 153408205, 155750315, 214771487, 582951179, 1073857435, 2914755895, 4080658253, 20403291265]

約数ペア:

[(1, 20403291265), (5, 4080658253), (7, 2914755895), (19, 1073857435), (35, 582951179), (95, 214771487), (131, 155750315), (133, 153408205), (655, 31150063), (665, 30681641), (917, 22250045), (2489, 8197385), (4585, 4450009), (12445, 1639477), (17423, 1171055), (87115, 234211)]