20581024

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20747}}^1$

素因数の和:20788

約数の個数: 24

約数和(自身を含む): 41827968

約数和(自身を除く): 21246944

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20747, 41494, 82988, 165976, 331952, 643157, 663904, 1286314, 2572628, 5145256, 10290512, 20581024]

約数ペア:

[(1, 20581024), (2, 10290512), (4, 5145256), (8, 2572628), (16, 1286314), (31, 663904), (32, 643157), (62, 331952), (124, 165976), (248, 82988), (496, 41494), (992, 20747)]