20557351005

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{15187}}^1$

素因数の和:15338

約数の個数: 64

約数和(自身を含む): 35273097216

約数和(自身を除く): 14715746211

約数列:

[1, 3, 5, 15, 31, 41, 71, 93, 123, 155, 205, 213, 355, 465, 615, 1065, 1271, 2201, 2911, 3813, 6355, 6603, 8733, 11005, 14555, 15187, 19065, 33015, 43665, 45561, 75935, 90241, 227805, 270723, 451205, 470797, 622667, 1078277, 1353615, 1412391, 1868001, 2353985, 3113335, 3234831, 5391385, 7061955, 9340005, 16174155, 19302677, 33426587, 44209357, 57908031, 96513385, 100279761, 132628071, 167132935, 221046785, 289540155, 501398805, 663140355, 1370490067, 4111470201, 6852450335, 20557351005]

約数ペア:

[(1, 20557351005), (3, 6852450335), (5, 4111470201), (15, 1370490067), (31, 663140355), (41, 501398805), (71, 289540155), (93, 221046785), (123, 167132935), (155, 132628071), (205, 100279761), (213, 96513385), (355, 57908031), (465, 44209357), (615, 33426587), (1065, 19302677), (1271, 16174155), (2201, 9340005), (2911, 7061955), (3813, 5391385), (6355, 3234831), (6603, 3113335), (8733, 2353985), (11005, 1868001), (14555, 1412391), (15187, 1353615), (19065, 1078277), (33015, 622667), (43665, 470797), (45561, 451205), (75935, 270723), (90241, 227805)]