20899172

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14083}}^1$

素因数の和:14147

約数の個数: 24

約数和(自身を含む): 42590016

約数和(自身を除く): 21690844

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14083, 28166, 56332, 98581, 197162, 394324, 746399, 1492798, 2985596, 5224793, 10449586, 20899172]

約数ペア:

[(1, 20899172), (2, 10449586), (4, 5224793), (7, 2985596), (14, 1492798), (28, 746399), (53, 394324), (106, 197162), (212, 98581), (371, 56332), (742, 28166), (1484, 14083)]