20952935523

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{15889}}^1$

素因数の和:15958

約数の個数: 72

約数和(自身を含む): 35708643600

約数和(自身を除く): 14755708077

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 169, 221, 289, 351, 459, 507, 663, 867, 1521, 1989, 2601, 2873, 3757, 4563, 5967, 7803, 8619, 11271, 15889, 25857, 33813, 47667, 48841, 77571, 101439, 143001, 146523, 206557, 270113, 429003, 439569, 619671, 810339, 1318707, 1859013, 2431017, 2685241, 3511469, 4591921, 5577039, 7293051, 8055723, 10534407, 13775763, 24167169, 31603221, 41327289, 45649097, 59694973, 72501507, 94809663, 123981867, 136947291, 179084919, 410841873, 537254757, 776034649, 1232525619, 1611764271, 2328103947, 6984311841, 20952935523]

約数ペア:

[(1, 20952935523), (3, 6984311841), (9, 2328103947), (13, 1611764271), (17, 1232525619), (27, 776034649), (39, 537254757), (51, 410841873), (117, 179084919), (153, 136947291), (169, 123981867), (221, 94809663), (289, 72501507), (351, 59694973), (459, 45649097), (507, 41327289), (663, 31603221), (867, 24167169), (1521, 13775763), (1989, 10534407), (2601, 8055723), (2873, 7293051), (3757, 5577039), (4563, 4591921), (5967, 3511469), (7803, 2685241), (8619, 2431017), (11271, 1859013), (15889, 1318707), (25857, 810339), (33813, 619671), (47667, 439569), (48841, 429003), (77571, 270113), (101439, 206557), (143001, 146523)]