16420235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 22740480

約数和(自身を除く): 6320245

約数列:

[1, 5, 13, 29, 31, 65, 145, 155, 281, 377, 403, 899, 1405, 1885, 2015, 3653, 4495, 8149, 8711, 11687, 18265, 40745, 43555, 58435, 105937, 113243, 252619, 529685, 566215, 1263095, 3284047, 16420235]

約数ペア:

[(1, 16420235), (5, 3284047), (13, 1263095), (29, 566215), (31, 529685), (65, 252619), (145, 113243), (155, 105937), (281, 58435), (377, 43555), (403, 40745), (899, 18265), (1405, 11687), (1885, 8711), (2015, 8149), (3653, 4495)]