20872836

素因数分解:

$2^2\times 3^3\times {\mathrm{157}}^1\times {\mathrm{1231}}^1$

素因数の和:1401

約数の個数: 48

約数和(自身を含む): 54503680

約数和(自身を除く): 33630844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 157, 314, 471, 628, 942, 1231, 1413, 1884, 2462, 2826, 3693, 4239, 4924, 5652, 7386, 8478, 11079, 14772, 16956, 22158, 33237, 44316, 66474, 132948, 193267, 386534, 579801, 773068, 1159602, 1739403, 2319204, 3478806, 5218209, 6957612, 10436418, 20872836]

約数ペア:

[(1, 20872836), (2, 10436418), (3, 6957612), (4, 5218209), (6, 3478806), (9, 2319204), (12, 1739403), (18, 1159602), (27, 773068), (36, 579801), (54, 386534), (108, 193267), (157, 132948), (314, 66474), (471, 44316), (628, 33237), (942, 22158), (1231, 16956), (1413, 14772), (1884, 11079), (2462, 8478), (2826, 7386), (3693, 5652), (4239, 4924)]