20953555

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 29836800

約数和(自身を除く): 8883245

約数列:

[1, 5, 7, 35, 59, 73, 139, 295, 365, 413, 511, 695, 973, 2065, 2555, 4307, 4865, 8201, 10147, 21535, 30149, 41005, 50735, 57407, 71029, 150745, 287035, 355145, 598673, 2993365, 4190711, 20953555]

約数ペア:

[(1, 20953555), (5, 4190711), (7, 2993365), (35, 598673), (59, 355145), (73, 287035), (139, 150745), (295, 71029), (365, 57407), (413, 50735), (511, 41005), (695, 30149), (973, 21535), (2065, 10147), (2555, 8201), (4307, 4865)]