20727738

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{5563}}^1$

素因数の和:5600

約数の個数: 40

約数和(自身を含む): 48473568

約数和(自身を除く): 27745830

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 5563, 11126, 16689, 33378, 50067, 100134, 127949, 150201, 255898, 300402, 383847, 450603, 767694, 901206, 1151541, 2303082, 3454623, 6909246, 10363869, 20727738]

約数ペア:

[(1, 20727738), (2, 10363869), (3, 6909246), (6, 3454623), (9, 2303082), (18, 1151541), (23, 901206), (27, 767694), (46, 450603), (54, 383847), (69, 300402), (81, 255898), (138, 150201), (162, 127949), (207, 100134), (414, 50067), (621, 33378), (1242, 16689), (1863, 11126), (3726, 5563)]