20101257

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1277}}^1$

素因数の和:1350

約数の個数: 32

約数和(自身を含む): 33125760

約数和(自身を除く): 13024503

約数列:

[1, 3, 9, 11, 27, 33, 53, 99, 159, 297, 477, 583, 1277, 1431, 1749, 3831, 5247, 11493, 14047, 15741, 34479, 42141, 67681, 126423, 203043, 379269, 609129, 744491, 1827387, 2233473, 6700419, 20101257]

約数ペア:

[(1, 20101257), (3, 6700419), (9, 2233473), (11, 1827387), (27, 744491), (33, 609129), (53, 379269), (99, 203043), (159, 126423), (297, 67681), (477, 42141), (583, 34479), (1277, 15741), (1431, 14047), (1749, 11493), (3831, 5247)]