20067990957

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{218627}}^1$

素因数の和:218718

約数の個数: 48

約数和(自身を含む): 34924511232

約数和(自身を除く): 14856520275

約数列:

[1, 3, 7, 9, 21, 31, 47, 63, 93, 141, 217, 279, 329, 423, 651, 987, 1457, 1953, 2961, 4371, 10199, 13113, 30597, 91791, 218627, 655881, 1530389, 1967643, 4591167, 6777437, 10275469, 13773501, 20332311, 30826407, 47442059, 60996933, 71928283, 92479221, 142326177, 215784849, 318539539, 426978531, 647354547, 955618617, 2229776773, 2866855851, 6689330319, 20067990957]

約数ペア:

[(1, 20067990957), (3, 6689330319), (7, 2866855851), (9, 2229776773), (21, 955618617), (31, 647354547), (47, 426978531), (63, 318539539), (93, 215784849), (141, 142326177), (217, 92479221), (279, 71928283), (329, 60996933), (423, 47442059), (651, 30826407), (987, 20332311), (1457, 13773501), (1953, 10275469), (2961, 6777437), (4371, 4591167), (10199, 1967643), (13113, 1530389), (30597, 655881), (91791, 218627)]