20779778866

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{984917}}^1$

素因数の和:985074

約数の個数: 32

約数和(自身を含む): 39144580992

約数和(自身を除く): 18364802126

約数列:

[1, 2, 7, 11, 14, 22, 77, 137, 154, 274, 959, 1507, 1918, 3014, 10549, 21098, 984917, 1969834, 6894419, 10834087, 13788838, 21668174, 75838609, 134933629, 151677218, 269867258, 944535403, 1484269919, 1889070806, 2968539838, 10389889433, 20779778866]

約数ペア:

[(1, 20779778866), (2, 10389889433), (7, 2968539838), (11, 1889070806), (14, 1484269919), (22, 944535403), (77, 269867258), (137, 151677218), (154, 134933629), (274, 75838609), (959, 21668174), (1507, 13788838), (1918, 10834087), (3014, 6894419), (10549, 1969834), (21098, 984917)]