20199407228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5044807}}^1$

素因数の和:5044842

約数の個数: 48

約数和(自身を含む): 47461553664

約数和(自身を除く): 27262146436

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 5044807, 10089614, 20179228, 35313649, 55492877, 65582491, 70627298, 110985754, 131164982, 141254596, 221971508, 262329964, 388450139, 459077437, 721407401, 776900278, 918154874, 1442814802, 1553800556, 1836309748, 2885629604, 5049851807, 10099703614, 20199407228]

約数ペア:

[(1, 20199407228), (2, 10099703614), (4, 5049851807), (7, 2885629604), (11, 1836309748), (13, 1553800556), (14, 1442814802), (22, 918154874), (26, 776900278), (28, 721407401), (44, 459077437), (52, 388450139), (77, 262329964), (91, 221971508), (143, 141254596), (154, 131164982), (182, 110985754), (286, 70627298), (308, 65582491), (364, 55492877), (572, 35313649), (1001, 20179228), (2002, 10089614), (4004, 5044807)]