20269431

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24749}}^1$

素因数の和:24775

約数の個数: 24

約数和(自身を含む): 36036000

約数和(自身を除く): 15766569

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 24749, 74247, 173243, 222741, 321737, 519729, 965211, 1559187, 2252159, 2895633, 6756477, 20269431]

約数ペア:

[(1, 20269431), (3, 6756477), (7, 2895633), (9, 2252159), (13, 1559187), (21, 965211), (39, 519729), (63, 321737), (91, 222741), (117, 173243), (273, 74247), (819, 24749)]