20437160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26891}}^1$

素因数の和:26921

約数の個数: 32

約数和(自身を含む): 48405600

約数和(自身を除く): 27968440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26891, 53782, 107564, 134455, 215128, 268910, 510929, 537820, 1021858, 1075640, 2043716, 2554645, 4087432, 5109290, 10218580, 20437160]

約数ペア:

[(1, 20437160), (2, 10218580), (4, 5109290), (5, 4087432), (8, 2554645), (10, 2043716), (19, 1075640), (20, 1021858), (38, 537820), (40, 510929), (76, 268910), (95, 215128), (152, 134455), (190, 107564), (380, 53782), (760, 26891)]