20120457856

素因数分解:

$2^7\times {\mathrm{47}}^1\times {\mathrm{3344491}}^1$

素因数の和:3344552

約数の個数: 32

約数和(自身を含む): 40936582080

約数和(自身を除く): 20816124224

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 376, 752, 1504, 3008, 6016, 3344491, 6688982, 13377964, 26755928, 53511856, 107023712, 157191077, 214047424, 314382154, 428094848, 628764308, 1257528616, 2515057232, 5030114464, 10060228928, 20120457856]

約数ペア:

[(1, 20120457856), (2, 10060228928), (4, 5030114464), (8, 2515057232), (16, 1257528616), (32, 628764308), (47, 428094848), (64, 314382154), (94, 214047424), (128, 157191077), (188, 107023712), (376, 53511856), (752, 26755928), (1504, 13377964), (3008, 6688982), (6016, 3344491)]