20761136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{659}}^1$

素因数の和:857

約数の個数: 40

約数和(自身を含む): 44193600

約数和(自身を除く): 23432464

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 179, 358, 659, 716, 1318, 1432, 1969, 2636, 2864, 3938, 5272, 7249, 7876, 10544, 14498, 15752, 28996, 31504, 57992, 115984, 117961, 235922, 471844, 943688, 1297571, 1887376, 2595142, 5190284, 10380568, 20761136]

約数ペア:

[(1, 20761136), (2, 10380568), (4, 5190284), (8, 2595142), (11, 1887376), (16, 1297571), (22, 943688), (44, 471844), (88, 235922), (176, 117961), (179, 115984), (358, 57992), (659, 31504), (716, 28996), (1318, 15752), (1432, 14498), (1969, 10544), (2636, 7876), (2864, 7249), (3938, 5272)]