20160778

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{227}}^1\times {\mathrm{367}}^1$

素因数の和:618

約数の個数: 24

約数和(自身を含む): 33477696

約数和(自身を除く): 13316918

約数列:

[1, 2, 11, 22, 121, 227, 242, 367, 454, 734, 2497, 4037, 4994, 8074, 27467, 44407, 54934, 83309, 88814, 166618, 916399, 1832798, 10080389, 20160778]

約数ペア:

[(1, 20160778), (2, 10080389), (11, 1832798), (22, 916399), (121, 166618), (227, 88814), (242, 83309), (367, 54934), (454, 44407), (734, 27467), (2497, 8074), (4037, 4994)]