20688081296

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4673}}^1\times {\mathrm{14563}}^1$

素因数の和:19263

約数の個数: 40

約数和(自身を含む): 42204724320

約数和(自身を除く): 21516643024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4673, 9346, 14563, 18692, 29126, 37384, 58252, 74768, 88787, 116504, 177574, 233008, 276697, 355148, 553394, 710296, 1106788, 1420592, 2213576, 4427152, 68052899, 136105798, 272211596, 544423192, 1088846384, 1293005081, 2586010162, 5172020324, 10344040648, 20688081296]

約数ペア:

[(1, 20688081296), (2, 10344040648), (4, 5172020324), (8, 2586010162), (16, 1293005081), (19, 1088846384), (38, 544423192), (76, 272211596), (152, 136105798), (304, 68052899), (4673, 4427152), (9346, 2213576), (14563, 1420592), (18692, 1106788), (29126, 710296), (37384, 553394), (58252, 355148), (74768, 276697), (88787, 233008), (116504, 177574)]