20976272

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5879}}^1$

素因数の和:6110

約数の個数: 20

約数和(自身を含む): 40830720

約数和(自身を除く): 19854448

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5879, 11758, 23516, 47032, 94064, 1311017, 2622034, 5244068, 10488136, 20976272]

約数ペア:

[(1, 20976272), (2, 10488136), (4, 5244068), (8, 2622034), (16, 1311017), (223, 94064), (446, 47032), (892, 23516), (1784, 11758), (3568, 5879)]