20198932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5471}}^1$

素因数の和:5559

約数の個数: 24

約数和(自身を含む): 38610432

約数和(自身を除く): 18411500

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5471, 10942, 21884, 71123, 142246, 284492, 388441, 776882, 1553764, 5049733, 10099466, 20198932]

約数ペア:

[(1, 20198932), (2, 10099466), (4, 5049733), (13, 1553764), (26, 776882), (52, 388441), (71, 284492), (142, 142246), (284, 71123), (923, 21884), (1846, 10942), (3692, 5471)]