20515231

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{953}}^1$

素因数の和:1086

約数の個数: 16

約数和(自身を含む): 23811840

約数和(自身を除く): 3296609

約数列:

[1, 11, 19, 103, 209, 953, 1133, 1957, 10483, 18107, 21527, 98159, 199177, 1079749, 1865021, 20515231]

約数ペア:

[(1, 20515231), (11, 1865021), (19, 1079749), (103, 199177), (209, 98159), (953, 21527), (1133, 18107), (1957, 10483)]