20194408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{701}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 40982760

約数和(自身を除く): 20788352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 277, 554, 701, 1108, 1402, 2216, 2804, 3601, 5608, 7202, 9113, 14404, 18226, 28808, 36452, 72904, 194177, 388354, 776708, 1553416, 2524301, 5048602, 10097204, 20194408]

約数ペア:

[(1, 20194408), (2, 10097204), (4, 5048602), (8, 2524301), (13, 1553416), (26, 776708), (52, 388354), (104, 194177), (277, 72904), (554, 36452), (701, 28808), (1108, 18226), (1402, 14404), (2216, 9113), (2804, 7202), (3601, 5608)]