20099560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38653}}^1$

素因数の和:38677

約数の個数: 32

約数和(自身を含む): 48704040

約数和(自身を除く): 28604480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38653, 77306, 154612, 193265, 309224, 386530, 502489, 773060, 1004978, 1546120, 2009956, 2512445, 4019912, 5024890, 10049780, 20099560]

約数ペア:

[(1, 20099560), (2, 10049780), (4, 5024890), (5, 4019912), (8, 2512445), (10, 2009956), (13, 1546120), (20, 1004978), (26, 773060), (40, 502489), (52, 386530), (65, 309224), (104, 193265), (130, 154612), (260, 77306), (520, 38653)]