20224880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19447}}^1$

素因数の和:19473

約数の個数: 40

約数和(自身を含む): 50642592

約数和(自身を除く): 30417712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19447, 38894, 77788, 97235, 155576, 194470, 252811, 311152, 388940, 505622, 777880, 1011244, 1264055, 1555760, 2022488, 2528110, 4044976, 5056220, 10112440, 20224880]

約数ペア:

[(1, 20224880), (2, 10112440), (4, 5056220), (5, 4044976), (8, 2528110), (10, 2022488), (13, 1555760), (16, 1264055), (20, 1011244), (26, 777880), (40, 505622), (52, 388940), (65, 311152), (80, 252811), (104, 194470), (130, 155576), (208, 97235), (260, 77788), (520, 38894), (1040, 19447)]