20097496

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 18425384

約数列:

[1, 2, 4, 8, 127, 131, 151, 254, 262, 302, 508, 524, 604, 1016, 1048, 1208, 16637, 19177, 19781, 33274, 38354, 39562, 66548, 76708, 79124, 133096, 153416, 158248, 2512187, 5024374, 10048748, 20097496]

約数ペア:

[(1, 20097496), (2, 10048748), (4, 5024374), (8, 2512187), (127, 158248), (131, 153416), (151, 133096), (254, 79124), (262, 76708), (302, 66548), (508, 39562), (524, 38354), (604, 33274), (1016, 19781), (1048, 19177), (1208, 16637)]