20185579264

素因数分解:

$2^8\times {\mathrm{349}}^1\times {\mathrm{225931}}^1$

素因数の和:226296

約数の個数: 36

約数和(自身を含む): 40407938200

約数和(自身を除く): 20222358936

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 349, 698, 1396, 2792, 5584, 11168, 22336, 44672, 89344, 225931, 451862, 903724, 1807448, 3614896, 7229792, 14459584, 28919168, 57838336, 78849919, 157699838, 315399676, 630799352, 1261598704, 2523197408, 5046394816, 10092789632, 20185579264]

約数ペア:

[(1, 20185579264), (2, 10092789632), (4, 5046394816), (8, 2523197408), (16, 1261598704), (32, 630799352), (64, 315399676), (128, 157699838), (256, 78849919), (349, 57838336), (698, 28919168), (1396, 14459584), (2792, 7229792), (5584, 3614896), (11168, 1807448), (22336, 903724), (44672, 451862), (89344, 225931)]