20235929

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 25681920

約数和(自身を除く): 5445991

約数列:

[1, 7, 23, 37, 43, 79, 161, 259, 301, 553, 851, 989, 1591, 1817, 2923, 3397, 5957, 6923, 11137, 12719, 20461, 23779, 36593, 67229, 78131, 125689, 256151, 470603, 546917, 879823, 2890847, 20235929]

約数ペア:

[(1, 20235929), (7, 2890847), (23, 879823), (37, 546917), (43, 470603), (79, 256151), (161, 125689), (259, 78131), (301, 67229), (553, 36593), (851, 23779), (989, 20461), (1591, 12719), (1817, 11137), (2923, 6923), (3397, 5957)]