20105680903

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1487}}^1\times {\mathrm{1973}}^1$

素因数の和:3567

約数の個数: 32

約数和(自身を含む): 25378375680

約数和(自身を除く): 5272694777

約数列:

[1, 7, 11, 77, 89, 623, 979, 1487, 1973, 6853, 10409, 13811, 16357, 21703, 114499, 132343, 151921, 175597, 926401, 1229179, 1455773, 1931567, 2933851, 10190411, 13520969, 20536957, 32272361, 225906527, 261112739, 1827789173, 2872240129, 20105680903]

約数ペア:

[(1, 20105680903), (7, 2872240129), (11, 1827789173), (77, 261112739), (89, 225906527), (623, 32272361), (979, 20536957), (1487, 13520969), (1973, 10190411), (6853, 2933851), (10409, 1931567), (13811, 1455773), (16357, 1229179), (21703, 926401), (114499, 175597), (132343, 151921)]