20954871476

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1571}}^1$

素因数の和:1762

約数の個数: 144

約数和(自身を含む): 47957016576

約数和(自身を除く): 27002145100

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 121, 124, 127, 154, 217, 242, 254, 308, 341, 434, 484, 508, 682, 847, 868, 889, 1364, 1397, 1571, 1694, 1778, 2387, 2794, 3142, 3388, 3556, 3751, 3937, 4774, 5588, 6284, 7502, 7874, 9548, 9779, 10997, 15004, 15367, 15748, 17281, 19558, 21994, 26257, 27559, 30734, 34562, 39116, 43307, 43988, 48701, 52514, 55118, 61468, 69124, 86614, 97402, 105028, 107569, 110236, 120967, 173228, 190091, 194804, 199517, 215138, 241934, 303149, 340907, 380182, 399034, 430276, 476377, 483868, 535711, 606298, 681814, 760364, 798068, 952754, 1071422, 1212596, 1330637, 1363628, 1396619, 1905508, 2142844, 2194687, 2661274, 2793238, 3334639, 3749977, 4389374, 5322548, 5586476, 5892821, 6185027, 6669278, 7499954, 8778748, 11785642, 12370054, 13338556, 14999908, 15362809, 23571284, 24141557, 24740108, 30725618, 41249747, 43295189, 48283114, 61451236, 68035297, 82499494, 86590378, 96566228, 136070594, 164998988, 168990899, 173180756, 272141188, 337981798, 476247079, 675963596, 748388267, 952494158, 1496776534, 1904988316, 2993553068, 5238717869, 10477435738, 20954871476]

約数ペア:

[(1, 20954871476), (2, 10477435738), (4, 5238717869), (7, 2993553068), (11, 1904988316), (14, 1496776534), (22, 952494158), (28, 748388267), (31, 675963596), (44, 476247079), (62, 337981798), (77, 272141188), (121, 173180756), (124, 168990899), (127, 164998988), (154, 136070594), (217, 96566228), (242, 86590378), (254, 82499494), (308, 68035297), (341, 61451236), (434, 48283114), (484, 43295189), (508, 41249747), (682, 30725618), (847, 24740108), (868, 24141557), (889, 23571284), (1364, 15362809), (1397, 14999908), (1571, 13338556), (1694, 12370054), (1778, 11785642), (2387, 8778748), (2794, 7499954), (3142, 6669278), (3388, 6185027), (3556, 5892821), (3751, 5586476), (3937, 5322548), (4774, 4389374), (5588, 3749977), (6284, 3334639), (7502, 2793238), (7874, 2661274), (9548, 2194687), (9779, 2142844), (10997, 1905508), (15004, 1396619), (15367, 1363628), (15748, 1330637), (17281, 1212596), (19558, 1071422), (21994, 952754), (26257, 798068), (27559, 760364), (30734, 681814), (34562, 606298), (39116, 535711), (43307, 483868), (43988, 476377), (48701, 430276), (52514, 399034), (55118, 380182), (61468, 340907), (69124, 303149), (86614, 241934), (97402, 215138), (105028, 199517), (107569, 194804), (110236, 190091), (120967, 173228)]