20199608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17657}}^1$

素因数の和:17687

約数の個数: 32

約数和(自身を含む): 44498160

約数和(自身を除く): 24298552

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17657, 35314, 70628, 141256, 194227, 229541, 388454, 459082, 776908, 918164, 1553816, 1836328, 2524951, 5049902, 10099804, 20199608]

約数ペア:

[(1, 20199608), (2, 10099804), (4, 5049902), (8, 2524951), (11, 1836328), (13, 1553816), (22, 918164), (26, 776908), (44, 459082), (52, 388454), (88, 229541), (104, 194227), (143, 141256), (286, 70628), (572, 35314), (1144, 17657)]