20566689

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 11947359

約数列:

[1, 3, 11, 13, 33, 39, 143, 191, 251, 429, 573, 753, 2101, 2483, 2761, 3263, 6303, 7449, 8283, 9789, 27313, 35893, 47941, 81939, 107679, 143823, 527351, 623233, 1582053, 1869699, 6855563, 20566689]

約数ペア:

[(1, 20566689), (3, 6855563), (11, 1869699), (13, 1582053), (33, 623233), (39, 527351), (143, 143823), (191, 107679), (251, 81939), (429, 47941), (573, 35893), (753, 27313), (2101, 9789), (2483, 8283), (2761, 7449), (3263, 6303)]