20656487157

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{5507}}^1$

素因数の和:5873

約数の個数: 32

約数和(自身を含む): 28412467200

約数和(自身を除く): 7755980043

約数列:

[1, 3, 61, 103, 183, 199, 309, 597, 5507, 6283, 12139, 16521, 18849, 20497, 36417, 61491, 335927, 567221, 1007781, 1095893, 1250317, 1701663, 3287679, 3750951, 34600481, 66849473, 103801443, 112876979, 200548419, 338630937, 6885495719, 20656487157]

約数ペア:

[(1, 20656487157), (3, 6885495719), (61, 338630937), (103, 200548419), (183, 112876979), (199, 103801443), (309, 66849473), (597, 34600481), (5507, 3750951), (6283, 3287679), (12139, 1701663), (16521, 1250317), (18849, 1095893), (20497, 1007781), (36417, 567221), (61491, 335927)]