20704218

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 43077120

約数和(自身を除く): 22372902

約数列:

[1, 2, 3, 6, 31, 62, 93, 157, 186, 314, 471, 709, 942, 1418, 2127, 4254, 4867, 9734, 14601, 21979, 29202, 43958, 65937, 111313, 131874, 222626, 333939, 667878, 3450703, 6901406, 10352109, 20704218]

約数ペア:

[(1, 20704218), (2, 10352109), (3, 6901406), (6, 3450703), (31, 667878), (62, 333939), (93, 222626), (157, 131874), (186, 111313), (314, 65937), (471, 43958), (709, 29202), (942, 21979), (1418, 14601), (2127, 9734), (4254, 4867)]