20683530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32831}}^1$

素因数の和:32851

約数の個数: 48

約数和(自身を含む): 61461504

約数和(自身を除く): 40777974

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32831, 65662, 98493, 164155, 196986, 229817, 295479, 328310, 459634, 492465, 590958, 689451, 984930, 1149085, 1378902, 1477395, 2068353, 2298170, 2954790, 3447255, 4136706, 6894510, 10341765, 20683530]

約数ペア:

[(1, 20683530), (2, 10341765), (3, 6894510), (5, 4136706), (6, 3447255), (7, 2954790), (9, 2298170), (10, 2068353), (14, 1477395), (15, 1378902), (18, 1149085), (21, 984930), (30, 689451), (35, 590958), (42, 492465), (45, 459634), (63, 328310), (70, 295479), (90, 229817), (105, 196986), (126, 164155), (210, 98493), (315, 65662), (630, 32831)]