20994588

素因数分解:

$2^2\times 3^2\times {\mathrm{173}}^1\times {\mathrm{3371}}^1$

素因数の和:3554

約数の個数: 36

約数和(自身を含む): 53392248

約数和(自身を除く): 32397660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 173, 346, 519, 692, 1038, 1557, 2076, 3114, 3371, 6228, 6742, 10113, 13484, 20226, 30339, 40452, 60678, 121356, 583183, 1166366, 1749549, 2332732, 3499098, 5248647, 6998196, 10497294, 20994588]

約数ペア:

[(1, 20994588), (2, 10497294), (3, 6998196), (4, 5248647), (6, 3499098), (9, 2332732), (12, 1749549), (18, 1166366), (36, 583183), (173, 121356), (346, 60678), (519, 40452), (692, 30339), (1038, 20226), (1557, 13484), (2076, 10113), (3114, 6742), (3371, 6228)]