20806524

素因数分解:

$2^2\times 3^3\times {\mathrm{47}}^1\times {\mathrm{4099}}^1$

素因数の和:4159

約数の個数: 48

約数和(自身を含む): 55104000

約数和(自身を除く): 34297476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 94, 108, 141, 188, 282, 423, 564, 846, 1269, 1692, 2538, 4099, 5076, 8198, 12297, 16396, 24594, 36891, 49188, 73782, 110673, 147564, 192653, 221346, 385306, 442692, 577959, 770612, 1155918, 1733877, 2311836, 3467754, 5201631, 6935508, 10403262, 20806524]

約数ペア:

[(1, 20806524), (2, 10403262), (3, 6935508), (4, 5201631), (6, 3467754), (9, 2311836), (12, 1733877), (18, 1155918), (27, 770612), (36, 577959), (47, 442692), (54, 385306), (94, 221346), (108, 192653), (141, 147564), (188, 110673), (282, 73782), (423, 49188), (564, 36891), (846, 24594), (1269, 16396), (1692, 12297), (2538, 8198), (4099, 5076)]