20506538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{27197}}^1$

素因数の和:27241

約数の個数: 16

約数和(自身を含む): 34269480

約数和(自身を除く): 13762942

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 27197, 54394, 353561, 707122, 788713, 1577426, 10253269, 20506538]

約数ペア:

[(1, 20506538), (2, 10253269), (13, 1577426), (26, 788713), (29, 707122), (58, 353561), (377, 54394), (754, 27197)]