20702977757

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{8971}}^1$

素因数の和:9090

約数の個数: 64

約数和(自身を含む): 28650682368

約数和(自身を除く): 7947704611

約数列:

[1, 7, 11, 17, 41, 43, 77, 119, 187, 287, 301, 451, 473, 697, 731, 1309, 1763, 3157, 3311, 4879, 5117, 7667, 8041, 8971, 12341, 19393, 29971, 53669, 56287, 62797, 98681, 135751, 152507, 209797, 329681, 367811, 385753, 690767, 1067549, 1677577, 2307767, 2574677, 2700271, 4045921, 4243283, 6252787, 6557801, 11743039, 15815873, 28321447, 29702981, 43769509, 45904607, 68780657, 72135811, 110711111, 173974603, 268869841, 481464599, 504950677, 1217822221, 1882088887, 2957568251, 20702977757]

約数ペア:

[(1, 20702977757), (7, 2957568251), (11, 1882088887), (17, 1217822221), (41, 504950677), (43, 481464599), (77, 268869841), (119, 173974603), (187, 110711111), (287, 72135811), (301, 68780657), (451, 45904607), (473, 43769509), (697, 29702981), (731, 28321447), (1309, 15815873), (1763, 11743039), (3157, 6557801), (3311, 6252787), (4879, 4243283), (5117, 4045921), (7667, 2700271), (8041, 2574677), (8971, 2307767), (12341, 1677577), (19393, 1067549), (29971, 690767), (53669, 385753), (56287, 367811), (62797, 329681), (98681, 209797), (135751, 152507)]