20384637

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10667}}^1$

素因数の和:10697

約数の個数: 24

約数和(自身を含む): 34052256

約数和(自身を除く): 13667619

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10667, 32001, 74669, 138671, 224007, 416013, 522683, 970697, 1568049, 2912091, 6794879, 20384637]

約数ペア:

[(1, 20384637), (3, 6794879), (7, 2912091), (13, 1568049), (21, 970697), (39, 522683), (49, 416013), (91, 224007), (147, 138671), (273, 74669), (637, 32001), (1911, 10667)]