20368864

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{7669}}^1$

素因数の和:7762

約数の個数: 24

約数和(自身を含む): 40589640

約数和(自身を除く): 20220776

約数列:

[1, 2, 4, 8, 16, 32, 83, 166, 332, 664, 1328, 2656, 7669, 15338, 30676, 61352, 122704, 245408, 636527, 1273054, 2546108, 5092216, 10184432, 20368864]

約数ペア:

[(1, 20368864), (2, 10184432), (4, 5092216), (8, 2546108), (16, 1273054), (32, 636527), (83, 245408), (166, 122704), (332, 61352), (664, 30676), (1328, 15338), (2656, 7669)]