20109740875

素因数分解:

$5^3\times 7^2\times {\mathrm{1801}}^1\times {\mathrm{1823}}^1$

素因数の和:3653

約数の個数: 48

約数和(自身を含む): 29226652416

約数和(自身を除く): 9116911541

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 875, 1225, 1801, 1823, 6125, 9005, 9115, 12607, 12761, 45025, 45575, 63035, 63805, 88249, 89327, 225125, 227875, 315175, 319025, 441245, 446635, 1575875, 1595125, 2206225, 2233175, 3283223, 11031125, 11165875, 16416115, 22982561, 82080575, 114912805, 160877927, 410402875, 574564025, 804389635, 2872820125, 4021948175, 20109740875]

約数ペア:

[(1, 20109740875), (5, 4021948175), (7, 2872820125), (25, 804389635), (35, 574564025), (49, 410402875), (125, 160877927), (175, 114912805), (245, 82080575), (875, 22982561), (1225, 16416115), (1801, 11165875), (1823, 11031125), (6125, 3283223), (9005, 2233175), (9115, 2206225), (12607, 1595125), (12761, 1575875), (45025, 446635), (45575, 441245), (63035, 319025), (63805, 315175), (88249, 227875), (89327, 225125)]