20565659907

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{9187}}^1$

素因数の和:9297

約数の個数: 72

約数和(自身を含む): 34404171984

約数和(自身を除く): 13838512077

約数列:

[1, 3, 9, 13, 19, 39, 53, 57, 117, 159, 171, 247, 361, 477, 689, 741, 1007, 1083, 2067, 2223, 3021, 3249, 4693, 6201, 9063, 9187, 13091, 14079, 19133, 27561, 39273, 42237, 57399, 82683, 117819, 119431, 172197, 174553, 248729, 358293, 486911, 523659, 746187, 1074879, 1460733, 1570977, 2238561, 2269189, 3316507, 4382199, 6329843, 6807567, 9251309, 9949521, 18989529, 20422701, 27753927, 29848563, 43114591, 56968587, 83261781, 120267017, 129343773, 175774871, 360801051, 388031319, 527324613, 1082403153, 1581973839, 2285073323, 6855219969, 20565659907]

約数ペア:

[(1, 20565659907), (3, 6855219969), (9, 2285073323), (13, 1581973839), (19, 1082403153), (39, 527324613), (53, 388031319), (57, 360801051), (117, 175774871), (159, 129343773), (171, 120267017), (247, 83261781), (361, 56968587), (477, 43114591), (689, 29848563), (741, 27753927), (1007, 20422701), (1083, 18989529), (2067, 9949521), (2223, 9251309), (3021, 6807567), (3249, 6329843), (4693, 4382199), (6201, 3316507), (9063, 2269189), (9187, 2238561), (13091, 1570977), (14079, 1460733), (19133, 1074879), (27561, 746187), (39273, 523659), (42237, 486911), (57399, 358293), (82683, 248729), (117819, 174553), (119431, 172197)]