20606960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23417}}^1$

素因数の和:23441

約数の個数: 40

約数和(自身を含む): 52268976

約数和(自身を除く): 31662016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23417, 46834, 93668, 117085, 187336, 234170, 257587, 374672, 468340, 515174, 936680, 1030348, 1287935, 1873360, 2060696, 2575870, 4121392, 5151740, 10303480, 20606960]

約数ペア:

[(1, 20606960), (2, 10303480), (4, 5151740), (5, 4121392), (8, 2575870), (10, 2060696), (11, 1873360), (16, 1287935), (20, 1030348), (22, 936680), (40, 515174), (44, 468340), (55, 374672), (80, 257587), (88, 234170), (110, 187336), (176, 117085), (220, 93668), (440, 46834), (880, 23417)]