11720852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 24912384

約数和(自身を除く): 13191532

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 661, 682, 806, 1322, 1364, 1612, 2644, 4433, 7271, 8593, 8866, 14542, 17186, 17732, 20491, 29084, 34372, 40982, 81964, 94523, 189046, 225401, 266383, 378092, 450802, 532766, 901604, 1065532, 2930213, 5860426, 11720852]

約数ペア:

[(1, 11720852), (2, 5860426), (4, 2930213), (11, 1065532), (13, 901604), (22, 532766), (26, 450802), (31, 378092), (44, 266383), (52, 225401), (62, 189046), (124, 94523), (143, 81964), (286, 40982), (341, 34372), (403, 29084), (572, 20491), (661, 17732), (682, 17186), (806, 14542), (1322, 8866), (1364, 8593), (1612, 7271), (2644, 4433)]