20364430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2393}}^1$

素因数の和:2460

約数の個数: 32

約数和(自身を含む): 39299904

約数和(自身を除く): 18935474

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 2393, 4255, 4786, 8510, 11965, 23930, 55039, 88541, 110078, 177082, 275195, 442705, 550390, 885410, 2036443, 4072886, 10182215, 20364430]

約数ペア:

[(1, 20364430), (2, 10182215), (5, 4072886), (10, 2036443), (23, 885410), (37, 550390), (46, 442705), (74, 275195), (115, 177082), (185, 110078), (230, 88541), (370, 55039), (851, 23930), (1702, 11965), (2393, 8510), (4255, 4786)]