20527178

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1347

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 16970422

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 343, 686, 1127, 1301, 2254, 2602, 7889, 9107, 15778, 18214, 29923, 59846, 63749, 127498, 209461, 418922, 446243, 892486, 1466227, 2932454, 10263589, 20527178]

約数ペア:

[(1, 20527178), (2, 10263589), (7, 2932454), (14, 1466227), (23, 892486), (46, 446243), (49, 418922), (98, 209461), (161, 127498), (322, 63749), (343, 59846), (686, 29923), (1127, 18214), (1301, 15778), (2254, 9107), (2602, 7889)]