20005167

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{577}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 33144832

約数和(自身を除く): 13139665

約数列:

[1, 3, 7, 13, 21, 39, 91, 127, 273, 381, 577, 889, 1651, 1731, 2667, 4039, 4953, 7501, 11557, 12117, 22503, 34671, 52507, 73279, 157521, 219837, 512953, 952627, 1538859, 2857881, 6668389, 20005167]

約数ペア:

[(1, 20005167), (3, 6668389), (7, 2857881), (13, 1538859), (21, 952627), (39, 512953), (91, 219837), (127, 157521), (273, 73279), (381, 52507), (577, 34671), (889, 22503), (1651, 12117), (1731, 11557), (2667, 7501), (4039, 4953)]