20161766565

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{14431}}^1$

素因数の和:14655

約数の個数: 64

約数和(自身を含む): 36576460800

約数和(自身を除く): 16414694235

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 131, 135, 237, 393, 395, 655, 711, 1179, 1185, 1965, 2133, 3537, 3555, 5895, 10349, 10665, 14431, 17685, 31047, 43293, 51745, 72155, 93141, 129879, 155235, 216465, 279423, 389637, 465705, 649395, 1140049, 1397115, 1890461, 1948185, 3420147, 5671383, 5700245, 9452305, 10260441, 17014149, 17100735, 28356915, 30781323, 51042447, 51302205, 85070745, 149346419, 153906615, 255212235, 448039257, 746732095, 1344117771, 2240196285, 4032353313, 6720588855, 20161766565]

約数ペア:

[(1, 20161766565), (3, 6720588855), (5, 4032353313), (9, 2240196285), (15, 1344117771), (27, 746732095), (45, 448039257), (79, 255212235), (131, 153906615), (135, 149346419), (237, 85070745), (393, 51302205), (395, 51042447), (655, 30781323), (711, 28356915), (1179, 17100735), (1185, 17014149), (1965, 10260441), (2133, 9452305), (3537, 5700245), (3555, 5671383), (5895, 3420147), (10349, 1948185), (10665, 1890461), (14431, 1397115), (17685, 1140049), (31047, 649395), (43293, 465705), (51745, 389637), (72155, 279423), (93141, 216465), (129879, 155235)]