20681799255

素因数分解:

$3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{436463}}^1$

素因数の和:436499

約数の個数: 56

約数和(自身を含む): 40072632768

約数和(自身を除く): 19390833513

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 585, 729, 1053, 1215, 1755, 3159, 3645, 5265, 9477, 15795, 47385, 436463, 1309389, 2182315, 3928167, 5674019, 6546945, 11784501, 17022057, 19640835, 28370095, 35353503, 51066171, 58922505, 85110285, 106060509, 153198513, 176767515, 255330855, 318181527, 459595539, 530302545, 765992565, 1378786617, 1590907635, 2297977695, 4136359851, 6893933085, 20681799255]

約数ペア:

[(1, 20681799255), (3, 6893933085), (5, 4136359851), (9, 2297977695), (13, 1590907635), (15, 1378786617), (27, 765992565), (39, 530302545), (45, 459595539), (65, 318181527), (81, 255330855), (117, 176767515), (135, 153198513), (195, 106060509), (243, 85110285), (351, 58922505), (405, 51066171), (585, 35353503), (729, 28370095), (1053, 19640835), (1215, 17022057), (1755, 11784501), (3159, 6546945), (3645, 5674019), (5265, 3928167), (9477, 2182315), (15795, 1309389), (47385, 436463)]