20677448

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 43738380

約数和(自身を除く): 23060932

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 121, 164, 242, 328, 451, 484, 521, 902, 968, 1042, 1804, 2084, 3608, 4168, 4961, 5731, 9922, 11462, 19844, 21361, 22924, 39688, 42722, 45848, 63041, 85444, 126082, 170888, 234971, 252164, 469942, 504328, 939884, 1879768, 2584681, 5169362, 10338724, 20677448]

約数ペア:

[(1, 20677448), (2, 10338724), (4, 5169362), (8, 2584681), (11, 1879768), (22, 939884), (41, 504328), (44, 469942), (82, 252164), (88, 234971), (121, 170888), (164, 126082), (242, 85444), (328, 63041), (451, 45848), (484, 42722), (521, 39688), (902, 22924), (968, 21361), (1042, 19844), (1804, 11462), (2084, 9922), (3608, 5731), (4168, 4961)]