20459477718

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{103}}^2\times {\mathrm{503}}^1$

素因数の和:791

約数の個数: 96

約数和(自身を含む): 46650401280

約数和(自身を除く): 26190923562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 103, 142, 206, 213, 309, 426, 503, 618, 639, 927, 1006, 1278, 1509, 1854, 1917, 2781, 3018, 3834, 4527, 5562, 7313, 9054, 10609, 13581, 14626, 21218, 21939, 27162, 31827, 35713, 43878, 51809, 63654, 65817, 71426, 95481, 103618, 107139, 131634, 155427, 190962, 197451, 214278, 286443, 310854, 321417, 394902, 466281, 572886, 642834, 753239, 932562, 964251, 1398843, 1506478, 1928502, 2259717, 2797686, 3678439, 4519434, 5336327, 6779151, 7356878, 10672654, 11035317, 13558302, 16008981, 20337453, 22070634, 32017962, 33105951, 40674906, 48026943, 66211902, 96053886, 99317853, 144080829, 198635706, 288161658, 378879217, 757758434, 1136637651, 2273275302, 3409912953, 6819825906, 10229738859, 20459477718]

約数ペア:

[(1, 20459477718), (2, 10229738859), (3, 6819825906), (6, 3409912953), (9, 2273275302), (18, 1136637651), (27, 757758434), (54, 378879217), (71, 288161658), (103, 198635706), (142, 144080829), (206, 99317853), (213, 96053886), (309, 66211902), (426, 48026943), (503, 40674906), (618, 33105951), (639, 32017962), (927, 22070634), (1006, 20337453), (1278, 16008981), (1509, 13558302), (1854, 11035317), (1917, 10672654), (2781, 7356878), (3018, 6779151), (3834, 5336327), (4527, 4519434), (5562, 3678439), (7313, 2797686), (9054, 2259717), (10609, 1928502), (13581, 1506478), (14626, 1398843), (21218, 964251), (21939, 932562), (27162, 753239), (31827, 642834), (35713, 572886), (43878, 466281), (51809, 394902), (63654, 321417), (65817, 310854), (71426, 286443), (95481, 214278), (103618, 197451), (107139, 190962), (131634, 155427)]