20582.0000000

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{4993}}^1$

素因数の和:5015

約数の個数: 40

約数和(自身を含む): 7431072

約数和(自身を除く): 4794768

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 4993, 9986, 14979, 19972, 29958, 39944, 54923, 59916, 79888, 109846, 119832, 164769, 219692, 239664, 329538, 439384, 659076, 878768, 1318152, 2636304]

約数ペア:

[(1, 2636304), (2, 1318152), (3, 878768), (4, 659076), (6, 439384), (8, 329538), (11, 239664), (12, 219692), (16, 164769), (22, 119832), (24, 109846), (33, 79888), (44, 59916), (48, 54923), (66, 39944), (88, 29958), (132, 19972), (176, 14979), (264, 9986), (528, 4993)]