20814992

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{521}}^1$

素因数の和:767

約数の個数: 40

約数和(自身を含む): 44273952

約数和(自身を除く): 23458960

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 227, 454, 521, 908, 1042, 1816, 2084, 2497, 3632, 4168, 4994, 5731, 8336, 9988, 11462, 19976, 22924, 39952, 45848, 91696, 118267, 236534, 473068, 946136, 1300937, 1892272, 2601874, 5203748, 10407496, 20814992]

約数ペア:

[(1, 20814992), (2, 10407496), (4, 5203748), (8, 2601874), (11, 1892272), (16, 1300937), (22, 946136), (44, 473068), (88, 236534), (176, 118267), (227, 91696), (454, 45848), (521, 39952), (908, 22924), (1042, 19976), (1816, 11462), (2084, 9988), (2497, 8336), (3632, 5731), (4168, 4994)]