20468776

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{433}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 40622400

約数和(自身を除く): 20153624

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 311, 433, 622, 866, 1244, 1732, 2488, 3464, 5909, 8227, 11818, 16454, 23636, 32908, 47272, 65816, 134663, 269326, 538652, 1077304, 2558597, 5117194, 10234388, 20468776]

約数ペア:

[(1, 20468776), (2, 10234388), (4, 5117194), (8, 2558597), (19, 1077304), (38, 538652), (76, 269326), (152, 134663), (311, 65816), (433, 47272), (622, 32908), (866, 23636), (1244, 16454), (1732, 11818), (2488, 8227), (3464, 5909)]