20416526

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 35686560

約数和(自身を除く): 15270034

約数列:

[1, 2, 13, 19, 26, 37, 38, 74, 247, 481, 494, 703, 962, 1117, 1406, 2234, 9139, 14521, 18278, 21223, 29042, 41329, 42446, 82658, 275899, 537277, 551798, 785251, 1074554, 1570502, 10208263, 20416526]

約数ペア:

[(1, 20416526), (2, 10208263), (13, 1570502), (19, 1074554), (26, 785251), (37, 551798), (38, 537277), (74, 275899), (247, 82658), (481, 42446), (494, 41329), (703, 29042), (962, 21223), (1117, 18278), (1406, 14521), (2234, 9139)]