20893978

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{971}}^1$

素因数の和:1062

約数の個数: 32

約数和(自身を含む): 37791360

約数和(自身を除く): 16897382

約数列:

[1, 2, 7, 14, 29, 53, 58, 106, 203, 371, 406, 742, 971, 1537, 1942, 3074, 6797, 10759, 13594, 21518, 28159, 51463, 56318, 102926, 197113, 360241, 394226, 720482, 1492427, 2984854, 10446989, 20893978]

約数ペア:

[(1, 20893978), (2, 10446989), (7, 2984854), (14, 1492427), (29, 720482), (53, 394226), (58, 360241), (106, 197113), (203, 102926), (371, 56318), (406, 51463), (742, 28159), (971, 21518), (1537, 13594), (1942, 10759), (3074, 6797)]