20128567660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{829}}^1\times {\mathrm{41863}}^1$

素因数の和:42730

約数の個数: 48

約数和(自身を含む): 43781371200

約数和(自身を除く): 23652803540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 829, 1658, 3316, 4145, 8290, 16580, 24041, 41863, 48082, 83726, 96164, 120205, 167452, 209315, 240410, 418630, 480820, 837260, 1214027, 2428054, 4856108, 6070135, 12140270, 24280540, 34704427, 69408854, 138817708, 173522135, 347044270, 694088540, 1006428383, 2012856766, 4025713532, 5032141915, 10064283830, 20128567660]

約数ペア:

[(1, 20128567660), (2, 10064283830), (4, 5032141915), (5, 4025713532), (10, 2012856766), (20, 1006428383), (29, 694088540), (58, 347044270), (116, 173522135), (145, 138817708), (290, 69408854), (580, 34704427), (829, 24280540), (1658, 12140270), (3316, 6070135), (4145, 4856108), (8290, 2428054), (16580, 1214027), (24041, 837260), (41863, 480820), (48082, 418630), (83726, 240410), (96164, 209315), (120205, 167452)]