20197980165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1549519}}^1$

素因数の和:1549617

約数の個数: 32

約数和(自身を含む): 35700940800

約数和(自身を除く): 15502960635

約数列:

[1, 3, 5, 11, 15, 33, 55, 79, 165, 237, 395, 869, 1185, 2607, 4345, 13035, 1549519, 4648557, 7747595, 17044709, 23242785, 51134127, 85223545, 122412001, 255670635, 367236003, 612060005, 1346532011, 1836180015, 4039596033, 6732660055, 20197980165]

約数ペア:

[(1, 20197980165), (3, 6732660055), (5, 4039596033), (11, 1836180015), (15, 1346532011), (33, 612060005), (55, 367236003), (79, 255670635), (165, 122412001), (237, 85223545), (395, 51134127), (869, 23242785), (1185, 17044709), (2607, 7747595), (4345, 4648557), (13035, 1549519)]