20172905315

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1\times {\mathrm{1093}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 24874304256

約数和(自身を除く): 4701398941

約数列:

[1, 5, 53, 257, 265, 271, 1093, 1285, 1355, 5465, 13621, 14363, 57929, 68105, 69647, 71815, 280901, 289645, 296203, 348235, 1404505, 1481015, 3691291, 14887753, 15698759, 18456455, 74438765, 76124171, 78493795, 380620855, 4034581063, 20172905315]

約数ペア:

[(1, 20172905315), (5, 4034581063), (53, 380620855), (257, 78493795), (265, 76124171), (271, 74438765), (1093, 18456455), (1285, 15698759), (1355, 14887753), (5465, 3691291), (13621, 1481015), (14363, 1404505), (57929, 348235), (68105, 296203), (69647, 289645), (71815, 280901)]