20054768

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40433}}^1$

素因数の和:40472

約数の個数: 20

約数和(自身を含む): 40110528

約数和(自身を除く): 20055760

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40433, 80866, 161732, 323464, 646928, 1253423, 2506846, 5013692, 10027384, 20054768]

約数ペア:

[(1, 20054768), (2, 10027384), (4, 5013692), (8, 2506846), (16, 1253423), (31, 646928), (62, 323464), (124, 161732), (248, 80866), (496, 40433)]