20494386

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1163}}^1$

素因数の和:1271

約数の個数: 48

約数和(自身を含む): 49027680

約数和(自身を除く): 28533294

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 89, 99, 178, 198, 267, 534, 801, 979, 1163, 1602, 1958, 2326, 2937, 3489, 5874, 6978, 8811, 10467, 12793, 17622, 20934, 25586, 38379, 76758, 103507, 115137, 207014, 230274, 310521, 621042, 931563, 1138577, 1863126, 2277154, 3415731, 6831462, 10247193, 20494386]

約数ペア:

[(1, 20494386), (2, 10247193), (3, 6831462), (6, 3415731), (9, 2277154), (11, 1863126), (18, 1138577), (22, 931563), (33, 621042), (66, 310521), (89, 230274), (99, 207014), (178, 115137), (198, 103507), (267, 76758), (534, 38379), (801, 25586), (979, 20934), (1163, 17622), (1602, 12793), (1958, 10467), (2326, 8811), (2937, 6978), (3489, 5874)]