20790611205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{829}}^1\times {\mathrm{967}}^1$

素因数の和:1843

約数の個数: 128

約数和(自身を含む): 43192934400

約数和(自身を除く): 22402323195

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 57, 65, 91, 95, 105, 133, 195, 247, 273, 285, 399, 455, 665, 741, 829, 967, 1235, 1365, 1729, 1995, 2487, 2901, 3705, 4145, 4835, 5187, 5803, 6769, 8645, 10777, 12435, 12571, 14505, 15751, 17409, 18373, 20307, 25935, 29015, 32331, 33845, 37713, 47253, 53885, 55119, 62855, 75439, 78755, 87045, 87997, 91865, 101535, 110257, 128611, 161655, 188565, 204763, 226317, 236265, 238849, 263991, 275595, 330771, 377195, 385833, 439985, 551285, 614289, 643055, 716547, 801643, 1023815, 1131585, 1194245, 1319955, 1433341, 1653855, 1671943, 1929165, 2404929, 3071445, 3582735, 4008215, 4300023, 5015829, 5611501, 7166705, 8359715, 10421359, 12024645, 15231217, 16834503, 21500115, 25079145, 28057505, 31264077, 45693651, 52106795, 72949513, 76156085, 84172515, 106618519, 156320385, 198005821, 218848539, 228468255, 319855557, 364747565, 533092595, 594017463, 990029105, 1094242695, 1386040747, 1599277785, 2970087315, 4158122241, 6930203735, 20790611205]

約数ペア:

[(1, 20790611205), (3, 6930203735), (5, 4158122241), (7, 2970087315), (13, 1599277785), (15, 1386040747), (19, 1094242695), (21, 990029105), (35, 594017463), (39, 533092595), (57, 364747565), (65, 319855557), (91, 228468255), (95, 218848539), (105, 198005821), (133, 156320385), (195, 106618519), (247, 84172515), (273, 76156085), (285, 72949513), (399, 52106795), (455, 45693651), (665, 31264077), (741, 28057505), (829, 25079145), (967, 21500115), (1235, 16834503), (1365, 15231217), (1729, 12024645), (1995, 10421359), (2487, 8359715), (2901, 7166705), (3705, 5611501), (4145, 5015829), (4835, 4300023), (5187, 4008215), (5803, 3582735), (6769, 3071445), (8645, 2404929), (10777, 1929165), (12435, 1671943), (12571, 1653855), (14505, 1433341), (15751, 1319955), (17409, 1194245), (18373, 1131585), (20307, 1023815), (25935, 801643), (29015, 716547), (32331, 643055), (33845, 614289), (37713, 551285), (47253, 439985), (53885, 385833), (55119, 377195), (62855, 330771), (75439, 275595), (78755, 263991), (87045, 238849), (87997, 236265), (91865, 226317), (101535, 204763), (110257, 188565), (128611, 161655)]