20809976754

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3697}}^1\times {\mathrm{5827}}^1$

素因数の和:9559

約数の個数: 64

約数和(自身を含む): 49655678976

約数和(自身を除く): 28845702222

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 3697, 5827, 7394, 11091, 11654, 17481, 22182, 25879, 34962, 40789, 51758, 77637, 81578, 85031, 122367, 134021, 155274, 170062, 244734, 255093, 268042, 402063, 510186, 595217, 804126, 938147, 1190434, 1785651, 1876294, 2814441, 3571302, 5628882, 21542419, 43084838, 64627257, 129254514, 150796933, 301593866, 452390799, 495475637, 904781598, 990951274, 1486426911, 2972853822, 3468329459, 6936658918, 10404988377, 20809976754]

約数ペア:

[(1, 20809976754), (2, 10404988377), (3, 6936658918), (6, 3468329459), (7, 2972853822), (14, 1486426911), (21, 990951274), (23, 904781598), (42, 495475637), (46, 452390799), (69, 301593866), (138, 150796933), (161, 129254514), (322, 64627257), (483, 43084838), (966, 21542419), (3697, 5628882), (5827, 3571302), (7394, 2814441), (11091, 1876294), (11654, 1785651), (17481, 1190434), (22182, 938147), (25879, 804126), (34962, 595217), (40789, 510186), (51758, 402063), (77637, 268042), (81578, 255093), (85031, 244734), (122367, 170062), (134021, 155274)]