20090906090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{8263}}^1$

素因数の和:8547

約数の個数: 64

約数和(自身を含む): 38842122240

約数和(自身を除く): 18751216150

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 191, 335, 382, 670, 955, 1273, 1910, 2546, 3629, 6365, 7258, 8263, 12730, 12797, 16526, 18145, 25594, 36290, 41315, 63985, 82630, 127970, 156997, 243143, 313994, 486286, 553621, 784985, 1107242, 1215715, 1569970, 1578233, 2431430, 2768105, 3156466, 5536210, 7891165, 10518799, 15782330, 21037598, 29986427, 52593995, 59972854, 105187990, 105741611, 149932135, 211483222, 299864270, 528708055, 1057416110, 2009090609, 4018181218, 10045453045, 20090906090]

約数ペア:

[(1, 20090906090), (2, 10045453045), (5, 4018181218), (10, 2009090609), (19, 1057416110), (38, 528708055), (67, 299864270), (95, 211483222), (134, 149932135), (190, 105741611), (191, 105187990), (335, 59972854), (382, 52593995), (670, 29986427), (955, 21037598), (1273, 15782330), (1910, 10518799), (2546, 7891165), (3629, 5536210), (6365, 3156466), (7258, 2768105), (8263, 2431430), (12730, 1578233), (12797, 1569970), (16526, 1215715), (18145, 1107242), (25594, 784985), (36290, 553621), (41315, 486286), (63985, 313994), (82630, 243143), (127970, 156997)]