20080321900

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1532849}}^1$

素因数の和:1532994

約数の個数: 36

約数和(自身を含む): 43906955400

約数和(自身を除く): 23826633500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 6550, 13100, 1532849, 3065698, 6131396, 7664245, 15328490, 30656980, 38321225, 76642450, 153284900, 200803219, 401606438, 803212876, 1004016095, 2008032190, 4016064380, 5020080475, 10040160950, 20080321900]

約数ペア:

[(1, 20080321900), (2, 10040160950), (4, 5020080475), (5, 4016064380), (10, 2008032190), (20, 1004016095), (25, 803212876), (50, 401606438), (100, 200803219), (131, 153284900), (262, 76642450), (524, 38321225), (655, 30656980), (1310, 15328490), (2620, 7664245), (3275, 6131396), (6550, 3065698), (13100, 1532849)]