20123821064

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61353113}}^1$

素因数の和:61353160

約数の個数: 16

約数和(自身を含む): 38652461820

約数和(自身を除く): 18528640756

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 61353113, 122706226, 245412452, 490824904, 2515477633, 5030955266, 10061910532, 20123821064]

約数ペア:

[(1, 20123821064), (2, 10061910532), (4, 5030955266), (8, 2515477633), (41, 490824904), (82, 245412452), (164, 122706226), (328, 61353113)]