20215173891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1364323}}^1$

素因数の和:1364786

約数の個数: 16

約数和(自身を含む): 29469398400

約数和(自身を除く): 9254224509

約数列:

[1, 3, 11, 33, 449, 1347, 4939, 14817, 1364323, 4092969, 15007553, 45022659, 612581027, 1837743081, 6738391297, 20215173891]

約数ペア:

[(1, 20215173891), (3, 6738391297), (11, 1837743081), (33, 612581027), (449, 45022659), (1347, 15007553), (4939, 4092969), (14817, 1364323)]