20808637504

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{7930121}}^1$

素因数の和:7930174

約数の個数: 28

約数和(自身を含む): 42299270748

約数和(自身を除く): 21490633244

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 7930121, 15860242, 31720484, 63440968, 126881936, 253763872, 325134961, 507527744, 650269922, 1300539844, 2601079688, 5202159376, 10404318752, 20808637504]

約数ペア:

[(1, 20808637504), (2, 10404318752), (4, 5202159376), (8, 2601079688), (16, 1300539844), (32, 650269922), (41, 507527744), (64, 325134961), (82, 253763872), (164, 126881936), (328, 63440968), (656, 31720484), (1312, 15860242), (2624, 7930121)]