20951008

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50363}}^1$

素因数の和:50386

約数の個数: 24

約数和(自身を含む): 44421048

約数和(自身を除く): 23470040

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50363, 100726, 201452, 402904, 654719, 805808, 1309438, 1611616, 2618876, 5237752, 10475504, 20951008]

約数ペア:

[(1, 20951008), (2, 10475504), (4, 5237752), (8, 2618876), (13, 1611616), (16, 1309438), (26, 805808), (32, 654719), (52, 402904), (104, 201452), (208, 100726), (416, 50363)]