20196786564

素因数分解:

$2^2\times 3^5\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:905

約数の個数: 216

約数和(自身を含む): 56672249088

約数和(自身を除く): 36475462524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 31, 36, 54, 58, 62, 81, 87, 93, 108, 116, 124, 162, 174, 186, 243, 261, 279, 324, 348, 372, 486, 522, 558, 783, 797, 837, 841, 899, 972, 1044, 1116, 1566, 1594, 1674, 1682, 1798, 2349, 2391, 2511, 2523, 2697, 3132, 3188, 3348, 3364, 3596, 4698, 4782, 5022, 5046, 5394, 7047, 7173, 7533, 7569, 8091, 9396, 9564, 10044, 10092, 10788, 14094, 14346, 15066, 15138, 16182, 21519, 22707, 23113, 24273, 24707, 26071, 28188, 28692, 30132, 30276, 32364, 43038, 45414, 46226, 48546, 49414, 52142, 64557, 68121, 69339, 72819, 74121, 78213, 86076, 90828, 92452, 97092, 98828, 104284, 129114, 136242, 138678, 145638, 148242, 156426, 193671, 204363, 208017, 218457, 222363, 234639, 258228, 272484, 277356, 291276, 296484, 312852, 387342, 408726, 416034, 436914, 444726, 469278, 624051, 667089, 670277, 703917, 716503, 774684, 817452, 832068, 873828, 889452, 938556, 1248102, 1334178, 1340554, 1407834, 1433006, 1872153, 2001267, 2010831, 2111751, 2149509, 2496204, 2668356, 2681108, 2815668, 2866012, 3744306, 4002534, 4021662, 4223502, 4299018, 5616459, 6003801, 6032493, 6335253, 6448527, 7488612, 8005068, 8043324, 8447004, 8598036, 11232918, 12007602, 12064986, 12670506, 12897054, 18097479, 19345581, 20778587, 22465836, 24015204, 24129972, 25341012, 25794108, 36194958, 38691162, 41557174, 54292437, 58036743, 62335761, 72389916, 77382324, 83114348, 108584874, 116073486, 124671522, 162877311, 174110229, 187007283, 217169748, 232146972, 249343044, 325754622, 348220458, 374014566, 561021849, 651509244, 696440916, 748029132, 1122043698, 1683065547, 2244087396, 3366131094, 5049196641, 6732262188, 10098393282, 20196786564]

約数ペア:

[(1, 20196786564), (2, 10098393282), (3, 6732262188), (4, 5049196641), (6, 3366131094), (9, 2244087396), (12, 1683065547), (18, 1122043698), (27, 748029132), (29, 696440916), (31, 651509244), (36, 561021849), (54, 374014566), (58, 348220458), (62, 325754622), (81, 249343044), (87, 232146972), (93, 217169748), (108, 187007283), (116, 174110229), (124, 162877311), (162, 124671522), (174, 116073486), (186, 108584874), (243, 83114348), (261, 77382324), (279, 72389916), (324, 62335761), (348, 58036743), (372, 54292437), (486, 41557174), (522, 38691162), (558, 36194958), (783, 25794108), (797, 25341012), (837, 24129972), (841, 24015204), (899, 22465836), (972, 20778587), (1044, 19345581), (1116, 18097479), (1566, 12897054), (1594, 12670506), (1674, 12064986), (1682, 12007602), (1798, 11232918), (2349, 8598036), (2391, 8447004), (2511, 8043324), (2523, 8005068), (2697, 7488612), (3132, 6448527), (3188, 6335253), (3348, 6032493), (3364, 6003801), (3596, 5616459), (4698, 4299018), (4782, 4223502), (5022, 4021662), (5046, 4002534), (5394, 3744306), (7047, 2866012), (7173, 2815668), (7533, 2681108), (7569, 2668356), (8091, 2496204), (9396, 2149509), (9564, 2111751), (10044, 2010831), (10092, 2001267), (10788, 1872153), (14094, 1433006), (14346, 1407834), (15066, 1340554), (15138, 1334178), (16182, 1248102), (21519, 938556), (22707, 889452), (23113, 873828), (24273, 832068), (24707, 817452), (26071, 774684), (28188, 716503), (28692, 703917), (30132, 670277), (30276, 667089), (32364, 624051), (43038, 469278), (45414, 444726), (46226, 436914), (48546, 416034), (49414, 408726), (52142, 387342), (64557, 312852), (68121, 296484), (69339, 291276), (72819, 277356), (74121, 272484), (78213, 258228), (86076, 234639), (90828, 222363), (92452, 218457), (97092, 208017), (98828, 204363), (104284, 193671), (129114, 156426), (136242, 148242), (138678, 145638)]