20557548

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{51913}}^1$

素因数の和:51934

約数の個数: 36

約数和(自身を含む): 56690088

約数和(自身を除く): 36132540

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 51913, 103826, 155739, 207652, 311478, 467217, 571043, 622956, 934434, 1142086, 1713129, 1868868, 2284172, 3426258, 5139387, 6852516, 10278774, 20557548]

約数ペア:

[(1, 20557548), (2, 10278774), (3, 6852516), (4, 5139387), (6, 3426258), (9, 2284172), (11, 1868868), (12, 1713129), (18, 1142086), (22, 934434), (33, 622956), (36, 571043), (44, 467217), (66, 311478), (99, 207652), (132, 155739), (198, 103826), (396, 51913)]