20996821302

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{77747}}^1$

素因数の和:77897

約数の個数: 64

約数和(自身を含む): 46574161920

約数和(自身を除く): 25577340618

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 103, 114, 138, 206, 309, 437, 618, 874, 1311, 1957, 2369, 2622, 3914, 4738, 5871, 7107, 11742, 14214, 45011, 77747, 90022, 135033, 155494, 233241, 270066, 466482, 1477193, 1788181, 2954386, 3576362, 4431579, 5364543, 8007941, 8863158, 10729086, 16015882, 24023823, 33975439, 48047646, 67950878, 101926317, 152150879, 184182643, 203852634, 304301758, 368365286, 456452637, 552547929, 912905274, 1105095858, 3499470217, 6998940434, 10498410651, 20996821302]

約数ペア:

[(1, 20996821302), (2, 10498410651), (3, 6998940434), (6, 3499470217), (19, 1105095858), (23, 912905274), (38, 552547929), (46, 456452637), (57, 368365286), (69, 304301758), (103, 203852634), (114, 184182643), (138, 152150879), (206, 101926317), (309, 67950878), (437, 48047646), (618, 33975439), (874, 24023823), (1311, 16015882), (1957, 10729086), (2369, 8863158), (2622, 8007941), (3914, 5364543), (4738, 4431579), (5871, 3576362), (7107, 2954386), (11742, 1788181), (14214, 1477193), (45011, 466482), (77747, 270066), (90022, 233241), (135033, 155494)]