20178984530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2760463}}^1$

素因数の和:2760530

約数の個数: 32

約数和(自身を含む): 39353174784

約数和(自身を除く): 19174190254

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 3655, 7310, 2760463, 5520926, 13802315, 27604630, 46927871, 93855742, 118699909, 234639355, 237399818, 469278710, 593499545, 1186999090, 2017898453, 4035796906, 10089492265, 20178984530]

約数ペア:

[(1, 20178984530), (2, 10089492265), (5, 4035796906), (10, 2017898453), (17, 1186999090), (34, 593499545), (43, 469278710), (85, 237399818), (86, 234639355), (170, 118699909), (215, 93855742), (430, 46927871), (731, 27604630), (1462, 13802315), (3655, 5520926), (7310, 2760463)]