20174081668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{658681}}^1$

素因数の和:658748

約数の個数: 48

約数和(自身を含む): 41312535040

約数和(自身を除く): 21138453372

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 988, 1178, 1612, 2356, 7657, 15314, 30628, 658681, 1317362, 2634724, 8562853, 12514939, 17125706, 20419111, 25029878, 34251412, 40838222, 50059756, 81676444, 162694207, 265448443, 325388414, 387963109, 530896886, 650776828, 775926218, 1061793772, 1551852436, 5043520417, 10087040834, 20174081668]

約数ペア:

[(1, 20174081668), (2, 10087040834), (4, 5043520417), (13, 1551852436), (19, 1061793772), (26, 775926218), (31, 650776828), (38, 530896886), (52, 387963109), (62, 325388414), (76, 265448443), (124, 162694207), (247, 81676444), (403, 50059756), (494, 40838222), (589, 34251412), (806, 25029878), (988, 20419111), (1178, 17125706), (1612, 12514939), (2356, 8562853), (7657, 2634724), (15314, 1317362), (30628, 658681)]