20501745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7309}}^1$

素因数の和:7345

約数の個数: 32

約数和(自身を含む): 37895040

約数和(自身を除く): 17393295

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 7309, 21927, 36545, 80399, 109635, 124253, 241197, 372759, 401995, 621265, 1205985, 1366783, 1863795, 4100349, 6833915, 20501745]

約数ペア:

[(1, 20501745), (3, 6833915), (5, 4100349), (11, 1863795), (15, 1366783), (17, 1205985), (33, 621265), (51, 401995), (55, 372759), (85, 241197), (165, 124253), (187, 109635), (255, 80399), (561, 36545), (935, 21927), (2805, 7309)]