20301786

素因数分解:

$2^1\times 3^3\times {\mathrm{397}}^1\times {\mathrm{947}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 45276480

約数和(自身を除く): 24974694

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 397, 794, 947, 1191, 1894, 2382, 2841, 3573, 5682, 7146, 8523, 10719, 17046, 21438, 25569, 51138, 375959, 751918, 1127877, 2255754, 3383631, 6767262, 10150893, 20301786]

約数ペア:

[(1, 20301786), (2, 10150893), (3, 6767262), (6, 3383631), (9, 2255754), (18, 1127877), (27, 751918), (54, 375959), (397, 51138), (794, 25569), (947, 21438), (1191, 17046), (1894, 10719), (2382, 8523), (2841, 7146), (3573, 5682)]