20939832

素因数分解:

$2^3\times 3^2\times {\mathrm{337}}^1\times {\mathrm{863}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 56946240

約数和(自身を除く): 36006408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 337, 674, 863, 1011, 1348, 1726, 2022, 2589, 2696, 3033, 3452, 4044, 5178, 6066, 6904, 7767, 8088, 10356, 12132, 15534, 20712, 24264, 31068, 62136, 290831, 581662, 872493, 1163324, 1744986, 2326648, 2617479, 3489972, 5234958, 6979944, 10469916, 20939832]

約数ペア:

[(1, 20939832), (2, 10469916), (3, 6979944), (4, 5234958), (6, 3489972), (8, 2617479), (9, 2326648), (12, 1744986), (18, 1163324), (24, 872493), (36, 581662), (72, 290831), (337, 62136), (674, 31068), (863, 24264), (1011, 20712), (1348, 15534), (1726, 12132), (2022, 10356), (2589, 8088), (2696, 7767), (3033, 6904), (3452, 6066), (4044, 5178)]