20194094865

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{9137}}^1$

素因数の和:9287

約数の個数: 96

約数和(自身を含む): 39202458624

約数和(自身を除く): 19008363759

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 93, 97, 105, 147, 155, 217, 245, 291, 465, 485, 651, 679, 735, 1085, 1455, 1519, 2037, 3007, 3255, 3395, 4557, 4753, 7595, 9021, 9137, 10185, 14259, 15035, 21049, 22785, 23765, 27411, 45105, 45685, 63147, 63959, 71295, 105245, 137055, 147343, 191877, 283247, 315735, 319795, 442029, 447713, 736715, 849741, 886289, 959385, 1343139, 1416235, 1982729, 2210145, 2238565, 2658867, 4248705, 4431445, 5948187, 6204023, 6715695, 9913645, 13294335, 13879103, 18612069, 27474959, 29740935, 31020115, 41637309, 43428161, 69395515, 82424877, 93060345, 130284483, 137374795, 192324713, 208186545, 217140805, 412124385, 576974139, 651422415, 961623565, 1346272991, 2884870695, 4038818973, 6731364955, 20194094865]

約数ペア:

[(1, 20194094865), (3, 6731364955), (5, 4038818973), (7, 2884870695), (15, 1346272991), (21, 961623565), (31, 651422415), (35, 576974139), (49, 412124385), (93, 217140805), (97, 208186545), (105, 192324713), (147, 137374795), (155, 130284483), (217, 93060345), (245, 82424877), (291, 69395515), (465, 43428161), (485, 41637309), (651, 31020115), (679, 29740935), (735, 27474959), (1085, 18612069), (1455, 13879103), (1519, 13294335), (2037, 9913645), (3007, 6715695), (3255, 6204023), (3395, 5948187), (4557, 4431445), (4753, 4248705), (7595, 2658867), (9021, 2238565), (9137, 2210145), (10185, 1982729), (14259, 1416235), (15035, 1343139), (21049, 959385), (22785, 886289), (23765, 849741), (27411, 736715), (45105, 447713), (45685, 442029), (63147, 319795), (63959, 315735), (71295, 283247), (105245, 191877), (137055, 147343)]