20796986

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16691}}^1$

素因数の和:16789

約数の個数: 16

約数和(自身を含む): 36054720

約数和(自身を除く): 15257734

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 16691, 33382, 116837, 233674, 1485499, 2970998, 10398493, 20796986]

約数ペア:

[(1, 20796986), (2, 10398493), (7, 2970998), (14, 1485499), (89, 233674), (178, 116837), (623, 33382), (1246, 16691)]