20727861

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1471}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 35045376

約数和(自身を除く): 14317515

約数列:

[1, 3, 7, 11, 21, 33, 61, 77, 183, 231, 427, 671, 1281, 1471, 2013, 4413, 4697, 10297, 14091, 16181, 30891, 48543, 89731, 113267, 269193, 339801, 628117, 987041, 1884351, 2961123, 6909287, 20727861]

約数ペア:

[(1, 20727861), (3, 6909287), (7, 2961123), (11, 1884351), (21, 987041), (33, 628117), (61, 339801), (77, 269193), (183, 113267), (231, 89731), (427, 48543), (671, 30891), (1281, 16181), (1471, 14091), (2013, 10297), (4413, 4697)]