20528085

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1151}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14308395

約数列:

[1, 3, 5, 15, 29, 41, 87, 123, 145, 205, 435, 615, 1151, 1189, 3453, 3567, 5755, 5945, 17265, 17835, 33379, 47191, 100137, 141573, 166895, 235955, 500685, 707865, 1368539, 4105617, 6842695, 20528085]

約数ペア:

[(1, 20528085), (3, 6842695), (5, 4105617), (15, 1368539), (29, 707865), (41, 500685), (87, 235955), (123, 166895), (145, 141573), (205, 100137), (435, 47191), (615, 33379), (1151, 17835), (1189, 17265), (3453, 5945), (3567, 5755)]