20804938398

素因数分解:

$2^1\times 3^3\times {\mathrm{787}}^1\times {\mathrm{489551}}^1$

素因数の和:490349

約数の個数: 32

約数和(自身を含む): 46292037120

約数和(自身を除く): 25487098722

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 787, 1574, 2361, 4722, 7083, 14166, 21249, 42498, 489551, 979102, 1468653, 2937306, 4405959, 8811918, 13217877, 26435754, 385276637, 770553274, 1155829911, 2311659822, 3467489733, 6934979466, 10402469199, 20804938398]

約数ペア:

[(1, 20804938398), (2, 10402469199), (3, 6934979466), (6, 3467489733), (9, 2311659822), (18, 1155829911), (27, 770553274), (54, 385276637), (787, 26435754), (1574, 13217877), (2361, 8811918), (4722, 4405959), (7083, 2937306), (14166, 1468653), (21249, 979102), (42498, 489551)]