20107130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1091}}^1$

素因数の和:1214

約数の個数: 32

約数和(自身を含む): 38525760

約数和(自身を除く): 18418630

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 970, 1091, 1843, 2182, 3686, 5455, 9215, 10910, 18430, 20729, 41458, 103645, 105827, 207290, 211654, 529135, 1058270, 2010713, 4021426, 10053565, 20107130]

約数ペア:

[(1, 20107130), (2, 10053565), (5, 4021426), (10, 2010713), (19, 1058270), (38, 529135), (95, 211654), (97, 207290), (190, 105827), (194, 103645), (485, 41458), (970, 20729), (1091, 18430), (1843, 10910), (2182, 9215), (3686, 5455)]