20154690416

素因数分解:

$2^4\times 7^1\times {\mathrm{2351}}^1\times {\mathrm{76543}}^1$

素因数の和:78909

約数の個数: 40

約数和(自身を含む): 44647809024

約数和(自身を除く): 24493118608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2351, 4702, 9404, 16457, 18808, 32914, 37616, 65828, 76543, 131656, 153086, 263312, 306172, 535801, 612344, 1071602, 1224688, 2143204, 4286408, 8572816, 179952593, 359905186, 719810372, 1259668151, 1439620744, 2519336302, 2879241488, 5038672604, 10077345208, 20154690416]

約数ペア:

[(1, 20154690416), (2, 10077345208), (4, 5038672604), (7, 2879241488), (8, 2519336302), (14, 1439620744), (16, 1259668151), (28, 719810372), (56, 359905186), (112, 179952593), (2351, 8572816), (4702, 4286408), (9404, 2143204), (16457, 1224688), (18808, 1071602), (32914, 612344), (37616, 535801), (65828, 306172), (76543, 263312), (131656, 153086)]