20945610

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33247}}^1$

素因数の和:33267

約数の個数: 48

約数和(自身を含む): 62240256

約数和(自身を除く): 41294646

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33247, 66494, 99741, 166235, 199482, 232729, 299223, 332470, 465458, 498705, 598446, 698187, 997410, 1163645, 1396374, 1496115, 2094561, 2327290, 2992230, 3490935, 4189122, 6981870, 10472805, 20945610]

約数ペア:

[(1, 20945610), (2, 10472805), (3, 6981870), (5, 4189122), (6, 3490935), (7, 2992230), (9, 2327290), (10, 2094561), (14, 1496115), (15, 1396374), (18, 1163645), (21, 997410), (30, 698187), (35, 598446), (42, 498705), (45, 465458), (63, 332470), (70, 299223), (90, 232729), (105, 199482), (126, 166235), (210, 99741), (315, 66494), (630, 33247)]