20101291690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{223621}}^1$

素因数の和:223818

約数の個数: 32

約数和(自身を含む): 36951299280

約数和(自身を除く): 16850007590

約数列:

[1, 2, 5, 10, 89, 101, 178, 202, 445, 505, 890, 1010, 8989, 17978, 44945, 89890, 223621, 447242, 1118105, 2236210, 19902269, 22585721, 39804538, 45171442, 99511345, 112928605, 199022690, 225857210, 2010129169, 4020258338, 10050645845, 20101291690]

約数ペア:

[(1, 20101291690), (2, 10050645845), (5, 4020258338), (10, 2010129169), (89, 225857210), (101, 199022690), (178, 112928605), (202, 99511345), (445, 45171442), (505, 39804538), (890, 22585721), (1010, 19902269), (8989, 2236210), (17978, 1118105), (44945, 447242), (89890, 223621)]