20199985408

素因数分解:

$2^8\times {\mathrm{211}}^1\times {\mathrm{373963}}^1$

素因数の和:374190

約数の個数: 36

約数和(自身を含む): 40512268048

約数和(自身を除く): 20312282640

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 211, 256, 422, 844, 1688, 3376, 6752, 13504, 27008, 54016, 373963, 747926, 1495852, 2991704, 5983408, 11966816, 23933632, 47867264, 78906193, 95734528, 157812386, 315624772, 631249544, 1262499088, 2524998176, 5049996352, 10099992704, 20199985408]

約数ペア:

[(1, 20199985408), (2, 10099992704), (4, 5049996352), (8, 2524998176), (16, 1262499088), (32, 631249544), (64, 315624772), (128, 157812386), (211, 95734528), (256, 78906193), (422, 47867264), (844, 23933632), (1688, 11966816), (3376, 5983408), (6752, 2991704), (13504, 1495852), (27008, 747926), (54016, 373963)]