20565723872

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{4623589}}^1$

素因数の和:4623738

約数の個数: 24

約数和(自身を含む): 40780063800

約数和(自身を除く): 20214339928

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4448, 4623589, 9247178, 18494356, 36988712, 73977424, 147954848, 642678871, 1285357742, 2570715484, 5141430968, 10282861936, 20565723872]

約数ペア:

[(1, 20565723872), (2, 10282861936), (4, 5141430968), (8, 2570715484), (16, 1285357742), (32, 642678871), (139, 147954848), (278, 73977424), (556, 36988712), (1112, 18494356), (2224, 9247178), (4448, 4623589)]