20874735

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9467}}^1$

素因数の和:9492

約数の個数: 36

約数和(自身を含む): 42094728

約数和(自身を除く): 21219993

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9467, 28401, 47335, 66269, 85203, 142005, 198807, 331345, 426015, 463883, 596421, 994035, 1391649, 2319415, 2982105, 4174947, 6958245, 20874735]

約数ペア:

[(1, 20874735), (3, 6958245), (5, 4174947), (7, 2982105), (9, 2319415), (15, 1391649), (21, 994035), (35, 596421), (45, 463883), (49, 426015), (63, 331345), (105, 198807), (147, 142005), (245, 85203), (315, 66269), (441, 47335), (735, 28401), (2205, 9467)]