20556828

素因数分解:

$2^2\times 3^5\times {\mathrm{21149}}^1$

素因数の和:21168

約数の個数: 36

約数和(自身を含む): 53890200

約数和(自身を除く): 33333372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21149, 42298, 63447, 84596, 126894, 190341, 253788, 380682, 571023, 761364, 1142046, 1713069, 2284092, 3426138, 5139207, 6852276, 10278414, 20556828]

約数ペア:

[(1, 20556828), (2, 10278414), (3, 6852276), (4, 5139207), (6, 3426138), (9, 2284092), (12, 1713069), (18, 1142046), (27, 761364), (36, 571023), (54, 380682), (81, 253788), (108, 190341), (162, 126894), (243, 84596), (324, 63447), (486, 42298), (972, 21149)]