20175132368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{162263}}^1$

素因数の和:162699

約数の個数: 40

約数和(自身を含む): 41247508800

約数和(自身を除く): 21072376432

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 409, 818, 1636, 3272, 6544, 7771, 15542, 31084, 62168, 124336, 162263, 324526, 649052, 1298104, 2596208, 3082997, 6165994, 12331988, 24663976, 49327952, 66365567, 132731134, 265462268, 530924536, 1061849072, 1260945773, 2521891546, 5043783092, 10087566184, 20175132368]

約数ペア:

[(1, 20175132368), (2, 10087566184), (4, 5043783092), (8, 2521891546), (16, 1260945773), (19, 1061849072), (38, 530924536), (76, 265462268), (152, 132731134), (304, 66365567), (409, 49327952), (818, 24663976), (1636, 12331988), (3272, 6165994), (6544, 3082997), (7771, 2596208), (15542, 1298104), (31084, 649052), (62168, 324526), (124336, 162263)]