20289317769

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1\times {\mathrm{349}}^1$

素因数の和:791

約数の個数: 96

約数和(自身を含む): 35003404800

約数和(自身を除く): 14714087031

約数列:

[1, 3, 7, 9, 21, 41, 63, 71, 123, 213, 287, 317, 349, 369, 497, 639, 861, 951, 1047, 1491, 2219, 2443, 2583, 2853, 2911, 3141, 4473, 6657, 7329, 8733, 12997, 14309, 19971, 20377, 21987, 22507, 24779, 26199, 38991, 42927, 61131, 67521, 74337, 90979, 100163, 110633, 116973, 128781, 157549, 173453, 183393, 202563, 223011, 272937, 300489, 331899, 472647, 520359, 774431, 818811, 901467, 922787, 995697, 1015939, 1417941, 1561077, 2323293, 2768361, 3047817, 4535953, 6459509, 6969879, 7111573, 7854943, 8305083, 9143451, 13607859, 19378527, 21334719, 23564829, 31751671, 40823577, 54984601, 58135581, 64004157, 70694487, 95255013, 164953803, 285765039, 322052663, 494861409, 966157989, 2254368641, 2898473967, 6763105923, 20289317769]

約数ペア:

[(1, 20289317769), (3, 6763105923), (7, 2898473967), (9, 2254368641), (21, 966157989), (41, 494861409), (63, 322052663), (71, 285765039), (123, 164953803), (213, 95255013), (287, 70694487), (317, 64004157), (349, 58135581), (369, 54984601), (497, 40823577), (639, 31751671), (861, 23564829), (951, 21334719), (1047, 19378527), (1491, 13607859), (2219, 9143451), (2443, 8305083), (2583, 7854943), (2853, 7111573), (2911, 6969879), (3141, 6459509), (4473, 4535953), (6657, 3047817), (7329, 2768361), (8733, 2323293), (12997, 1561077), (14309, 1417941), (19971, 1015939), (20377, 995697), (21987, 922787), (22507, 901467), (24779, 818811), (26199, 774431), (38991, 520359), (42927, 472647), (61131, 331899), (67521, 300489), (74337, 272937), (90979, 223011), (100163, 202563), (110633, 183393), (116973, 173453), (128781, 157549)]