20304860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1193}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 45734976

約数和(自身を除く): 25430116

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1193, 1702, 2386, 3404, 4255, 4772, 5965, 8510, 11930, 17020, 23860, 27439, 44141, 54878, 88282, 109756, 137195, 176564, 220705, 274390, 441410, 548780, 882820, 1015243, 2030486, 4060972, 5076215, 10152430, 20304860]

約数ペア:

[(1, 20304860), (2, 10152430), (4, 5076215), (5, 4060972), (10, 2030486), (20, 1015243), (23, 882820), (37, 548780), (46, 441410), (74, 274390), (92, 220705), (115, 176564), (148, 137195), (185, 109756), (230, 88282), (370, 54878), (460, 44141), (740, 27439), (851, 23860), (1193, 17020), (1702, 11930), (2386, 8510), (3404, 5965), (4255, 4772)]