20110211

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{787}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 23148288

約数和(自身を除く): 3038077

約数列:

[1, 11, 23, 101, 253, 787, 1111, 2323, 8657, 18101, 25553, 79487, 199111, 874357, 1828201, 20110211]

約数ペア:

[(1, 20110211), (11, 1828201), (23, 874357), (101, 199111), (253, 79487), (787, 25553), (1111, 18101), (2323, 8657)]