20476448

素因数分解:

$2^5\times {\mathrm{659}}^1\times {\mathrm{971}}^1$

素因数の和:1640

約数の個数: 24

約数和(自身を含む): 40415760

約数和(自身を除く): 19939312

約数列:

[1, 2, 4, 8, 16, 32, 659, 971, 1318, 1942, 2636, 3884, 5272, 7768, 10544, 15536, 21088, 31072, 639889, 1279778, 2559556, 5119112, 10238224, 20476448]

約数ペア:

[(1, 20476448), (2, 10238224), (4, 5119112), (8, 2559556), (16, 1279778), (32, 639889), (659, 31072), (971, 21088), (1318, 15536), (1942, 10544), (2636, 7768), (3884, 5272)]