20657850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3359}}^1$

素因数の和:3415

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 31838790

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 41, 50, 75, 82, 123, 150, 205, 246, 410, 615, 1025, 1230, 2050, 3075, 3359, 6150, 6718, 10077, 16795, 20154, 33590, 50385, 83975, 100770, 137719, 167950, 251925, 275438, 413157, 503850, 688595, 826314, 1377190, 2065785, 3442975, 4131570, 6885950, 10328925, 20657850]

約数ペア:

[(1, 20657850), (2, 10328925), (3, 6885950), (5, 4131570), (6, 3442975), (10, 2065785), (15, 1377190), (25, 826314), (30, 688595), (41, 503850), (50, 413157), (75, 275438), (82, 251925), (123, 167950), (150, 137719), (205, 100770), (246, 83975), (410, 50385), (615, 33590), (1025, 20154), (1230, 16795), (2050, 10077), (3075, 6718), (3359, 6150)]