20828784

素因数分解:

$2^4\times 3^1\times {\mathrm{293}}^1\times {\mathrm{1481}}^1$

素因数の和:1785

約数の個数: 40

約数和(自身を含む): 54027792

約数和(自身を除く): 33199008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 293, 586, 879, 1172, 1481, 1758, 2344, 2962, 3516, 4443, 4688, 5924, 7032, 8886, 11848, 14064, 17772, 23696, 35544, 71088, 433933, 867866, 1301799, 1735732, 2603598, 3471464, 5207196, 6942928, 10414392, 20828784]

約数ペア:

[(1, 20828784), (2, 10414392), (3, 6942928), (4, 5207196), (6, 3471464), (8, 2603598), (12, 1735732), (16, 1301799), (24, 867866), (48, 433933), (293, 71088), (586, 35544), (879, 23696), (1172, 17772), (1481, 14064), (1758, 11848), (2344, 8886), (2962, 7032), (3516, 5924), (4443, 4688)]