20207910385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1\times {\mathrm{7307}}^1$

素因数の和:7753

約数の個数: 32

約数和(自身を含む): 26381763072

約数和(自身を除く): 6173852687

約数列:

[1, 5, 13, 65, 157, 271, 785, 1355, 2041, 3523, 7307, 10205, 17615, 36535, 42547, 94991, 212735, 474955, 553111, 1147199, 1980197, 2765555, 5735995, 9900985, 14913587, 25742561, 74567935, 128712805, 310890929, 1554454645, 4041582077, 20207910385]

約数ペア:

[(1, 20207910385), (5, 4041582077), (13, 1554454645), (65, 310890929), (157, 128712805), (271, 74567935), (785, 25742561), (1355, 14913587), (2041, 9900985), (3523, 5735995), (7307, 2765555), (10205, 1980197), (17615, 1147199), (36535, 553111), (42547, 474955), (94991, 212735)]