20778736

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{118061}}^1$

素因数の和:118080

約数の個数: 20

約数和(自身を含む): 43919064

約数和(自身を除く): 23140328

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 118061, 236122, 472244, 944488, 1298671, 1888976, 2597342, 5194684, 10389368, 20778736]

約数ペア:

[(1, 20778736), (2, 10389368), (4, 5194684), (8, 2597342), (11, 1888976), (16, 1298671), (22, 944488), (44, 472244), (88, 236122), (176, 118061)]