20719950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2939}}^1$

素因数の和:3001

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 31776690

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 47, 50, 75, 94, 141, 150, 235, 282, 470, 705, 1175, 1410, 2350, 2939, 3525, 5878, 7050, 8817, 14695, 17634, 29390, 44085, 73475, 88170, 138133, 146950, 220425, 276266, 414399, 440850, 690665, 828798, 1381330, 2071995, 3453325, 4143990, 6906650, 10359975, 20719950]

約数ペア:

[(1, 20719950), (2, 10359975), (3, 6906650), (5, 4143990), (6, 3453325), (10, 2071995), (15, 1381330), (25, 828798), (30, 690665), (47, 440850), (50, 414399), (75, 276266), (94, 220425), (141, 146950), (150, 138133), (235, 88170), (282, 73475), (470, 44085), (705, 29390), (1175, 17634), (1410, 14695), (2350, 8817), (2939, 7050), (3525, 5878)]