20005653879

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{232103}}^1$

素因数の和:232327

約数の個数: 24

約数和(自身を含む): 29557980192

約数和(自身を除く): 9552326313

約数列:

[1, 3, 9, 61, 157, 183, 471, 549, 1413, 9577, 28731, 86193, 232103, 696309, 2088927, 14158283, 36440171, 42474849, 109320513, 127424547, 327961539, 2222850431, 6668551293, 20005653879]

約数ペア:

[(1, 20005653879), (3, 6668551293), (9, 2222850431), (61, 327961539), (157, 127424547), (183, 109320513), (471, 42474849), (549, 36440171), (1413, 14158283), (9577, 2088927), (28731, 696309), (86193, 232103)]