2001078145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1901}}^1\times {\mathrm{19139}}^1$

素因数の和:21056

約数の個数: 16

約数和(自身を含む): 2621108160

約数和(自身を除く): 620030015

約数列:

[1, 5, 11, 55, 1901, 9505, 19139, 20911, 95695, 104555, 210529, 1052645, 36383239, 181916195, 400215629, 2001078145]

約数ペア:

[(1, 2001078145), (5, 400215629), (11, 181916195), (55, 36383239), (1901, 1052645), (9505, 210529), (19139, 104555), (20911, 95695)]