20772339

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 33792000

約数和(自身を除く): 13019661

約数列:

[1, 3, 7, 19, 21, 57, 79, 133, 237, 399, 553, 659, 1501, 1659, 1977, 4503, 4613, 10507, 12521, 13839, 31521, 37563, 52061, 87647, 156183, 262941, 364427, 989159, 1093281, 2967477, 6924113, 20772339]

約数ペア:

[(1, 20772339), (3, 6924113), (7, 2967477), (19, 1093281), (21, 989159), (57, 364427), (79, 262941), (133, 156183), (237, 87647), (399, 52061), (553, 37563), (659, 31521), (1501, 13839), (1659, 12521), (1977, 10507), (4503, 4613)]