20812376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{683}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 42230160

約数和(自身を除く): 21417784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 293, 586, 683, 1172, 1366, 2344, 2732, 3809, 5464, 7618, 8879, 15236, 17758, 30472, 35516, 71032, 200119, 400238, 800476, 1600952, 2601547, 5203094, 10406188, 20812376]

約数ペア:

[(1, 20812376), (2, 10406188), (4, 5203094), (8, 2601547), (13, 1600952), (26, 800476), (52, 400238), (104, 200119), (293, 71032), (586, 35516), (683, 30472), (1172, 17758), (1366, 15236), (2344, 8879), (2732, 7618), (3809, 5464)]