20513394

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{331}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 48788064

約数和(自身を除く): 28274670

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 313, 331, 626, 662, 939, 993, 1878, 1986, 2817, 2979, 3443, 3641, 5634, 5958, 6886, 7282, 10329, 10923, 20658, 21846, 30987, 32769, 61974, 65538, 103603, 207206, 310809, 621618, 932427, 1139633, 1864854, 2279266, 3418899, 6837798, 10256697, 20513394]

約数ペア:

[(1, 20513394), (2, 10256697), (3, 6837798), (6, 3418899), (9, 2279266), (11, 1864854), (18, 1139633), (22, 932427), (33, 621618), (66, 310809), (99, 207206), (198, 103603), (313, 65538), (331, 61974), (626, 32769), (662, 30987), (939, 21846), (993, 20658), (1878, 10923), (1986, 10329), (2817, 7282), (2979, 6886), (3443, 5958), (3641, 5634)]