20492457

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{1231}}^1$

素因数の和:1444

約数の個数: 16

約数和(自身を含む): 28385280

約数和(自身を除く): 7892823

約数列:

[1, 3, 31, 93, 179, 537, 1231, 3693, 5549, 16647, 38161, 114483, 220349, 661047, 6830819, 20492457]

約数ペア:

[(1, 20492457), (3, 6830819), (31, 661047), (93, 220349), (179, 114483), (537, 38161), (1231, 16647), (3693, 5549)]