20757418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:318

約数の個数: 32

約数和(自身を含む): 35054208

約数和(自身を除く): 14296790

約数列:

[1, 2, 11, 22, 71, 97, 137, 142, 194, 274, 781, 1067, 1507, 1562, 2134, 3014, 6887, 9727, 13289, 13774, 19454, 26578, 75757, 106997, 146179, 151514, 213994, 292358, 943519, 1887038, 10378709, 20757418]

約数ペア:

[(1, 20757418), (2, 10378709), (11, 1887038), (22, 943519), (71, 292358), (97, 213994), (137, 151514), (142, 146179), (194, 106997), (274, 75757), (781, 26578), (1067, 19454), (1507, 13774), (1562, 13289), (2134, 9727), (3014, 6887)]