20922590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{709}}^1$

素因数の和:956

約数の個数: 32

約数和(自身を含む): 40793760

約数和(自身を除く): 19871170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 227, 454, 709, 1135, 1418, 2270, 2951, 3545, 5902, 7090, 9217, 14755, 18434, 29510, 46085, 92170, 160943, 321886, 804715, 1609430, 2092259, 4184518, 10461295, 20922590]

約数ペア:

[(1, 20922590), (2, 10461295), (5, 4184518), (10, 2092259), (13, 1609430), (26, 804715), (65, 321886), (130, 160943), (227, 92170), (454, 46085), (709, 29510), (1135, 18434), (1418, 14755), (2270, 9217), (2951, 7090), (3545, 5902)]