20576399277

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{11131}}^1$

素因数の和:11314

約数の個数: 64

約数和(自身を含む): 34112010240

約数和(自身を除く): 13535610963

約数列:

[1, 3, 7, 19, 21, 41, 57, 113, 123, 133, 287, 339, 399, 779, 791, 861, 2147, 2337, 2373, 4633, 5453, 6441, 11131, 13899, 15029, 16359, 32431, 33393, 45087, 77917, 88027, 97293, 211489, 233751, 264081, 456371, 616189, 634467, 1257803, 1369113, 1480423, 1848567, 3194597, 3773409, 4441269, 8671049, 8804621, 9583791, 23898257, 26013147, 26413863, 51569923, 60697343, 71694771, 154709769, 167287799, 182092029, 360989461, 501863397, 979828537, 1082968383, 2939485611, 6858799759, 20576399277]

約数ペア:

[(1, 20576399277), (3, 6858799759), (7, 2939485611), (19, 1082968383), (21, 979828537), (41, 501863397), (57, 360989461), (113, 182092029), (123, 167287799), (133, 154709769), (287, 71694771), (339, 60697343), (399, 51569923), (779, 26413863), (791, 26013147), (861, 23898257), (2147, 9583791), (2337, 8804621), (2373, 8671049), (4633, 4441269), (5453, 3773409), (6441, 3194597), (11131, 1848567), (13899, 1480423), (15029, 1369113), (16359, 1257803), (32431, 634467), (33393, 616189), (45087, 456371), (77917, 264081), (88027, 233751), (97293, 211489)]