20408696

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4733}}^1$

素因数の和:4764

約数の個数: 48

約数和(自身を含む): 48570840

約数和(自身を除く): 28162144

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4733, 9466, 18932, 33131, 37864, 52063, 66262, 104126, 132524, 208252, 231917, 265048, 364441, 416504, 463834, 728882, 927668, 1457764, 1855336, 2551087, 2915528, 5102174, 10204348, 20408696]

約数ペア:

[(1, 20408696), (2, 10204348), (4, 5102174), (7, 2915528), (8, 2551087), (11, 1855336), (14, 1457764), (22, 927668), (28, 728882), (44, 463834), (49, 416504), (56, 364441), (77, 265048), (88, 231917), (98, 208252), (154, 132524), (196, 104126), (308, 66262), (392, 52063), (539, 37864), (616, 33131), (1078, 18932), (2156, 9466), (4312, 4733)]