20906262

素因数分解:

$2^1\times 3^6\times {\mathrm{13}}^1\times {\mathrm{1103}}^1$

素因数の和:1136

約数の個数: 56

約数和(自身を含む): 50680224

約数和(自身を除く): 29773962

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 729, 1053, 1103, 1458, 2106, 2206, 3159, 3309, 6318, 6618, 9477, 9927, 14339, 18954, 19854, 28678, 29781, 43017, 59562, 86034, 89343, 129051, 178686, 258102, 268029, 387153, 536058, 774306, 804087, 1161459, 1608174, 2322918, 3484377, 6968754, 10453131, 20906262]

約数ペア:

[(1, 20906262), (2, 10453131), (3, 6968754), (6, 3484377), (9, 2322918), (13, 1608174), (18, 1161459), (26, 804087), (27, 774306), (39, 536058), (54, 387153), (78, 268029), (81, 258102), (117, 178686), (162, 129051), (234, 89343), (243, 86034), (351, 59562), (486, 43017), (702, 29781), (729, 28678), (1053, 19854), (1103, 18954), (1458, 14339), (2106, 9927), (2206, 9477), (3159, 6618), (3309, 6318)]