20187712818

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{7237}}^1$

素因数の和:7409

約数の個数: 144

約数和(自身を含む): 54550431936

約数和(自身を除く): 34362719118

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 131, 169, 182, 234, 262, 273, 338, 393, 507, 546, 786, 819, 917, 1014, 1179, 1183, 1521, 1638, 1703, 1834, 2358, 2366, 2751, 3042, 3406, 3549, 5109, 5502, 7098, 7237, 8253, 10218, 10647, 11921, 14474, 15327, 16506, 21294, 21711, 22139, 23842, 30654, 35763, 43422, 44278, 50659, 65133, 66417, 71526, 94081, 101318, 107289, 130266, 132834, 151977, 154973, 188162, 199251, 214578, 282243, 303954, 309946, 398502, 455931, 464919, 564486, 658567, 846729, 911862, 929838, 948047, 1223053, 1317134, 1394757, 1693458, 1896094, 1975701, 2446106, 2789514, 2844141, 3669159, 3951402, 5688282, 5927103, 6636329, 7338318, 8532423, 8561371, 11007477, 11854206, 12324611, 13272658, 17064846, 17122742, 19908987, 22014954, 24649222, 25684113, 36973833, 39817974, 51368226, 59726961, 73947666, 77052339, 86272277, 110921499, 119453922, 154104678, 160219943, 172544554, 221842998, 258816831, 320439886, 480659829, 517633662, 776450493, 961319658, 1121539601, 1441979487, 1552900986, 2243079202, 2883958974, 3364618803, 6729237606, 10093856409, 20187712818]

約数ペア:

[(1, 20187712818), (2, 10093856409), (3, 6729237606), (6, 3364618803), (7, 2883958974), (9, 2243079202), (13, 1552900986), (14, 1441979487), (18, 1121539601), (21, 961319658), (26, 776450493), (39, 517633662), (42, 480659829), (63, 320439886), (78, 258816831), (91, 221842998), (117, 172544554), (126, 160219943), (131, 154104678), (169, 119453922), (182, 110921499), (234, 86272277), (262, 77052339), (273, 73947666), (338, 59726961), (393, 51368226), (507, 39817974), (546, 36973833), (786, 25684113), (819, 24649222), (917, 22014954), (1014, 19908987), (1179, 17122742), (1183, 17064846), (1521, 13272658), (1638, 12324611), (1703, 11854206), (1834, 11007477), (2358, 8561371), (2366, 8532423), (2751, 7338318), (3042, 6636329), (3406, 5927103), (3549, 5688282), (5109, 3951402), (5502, 3669159), (7098, 2844141), (7237, 2789514), (8253, 2446106), (10218, 1975701), (10647, 1896094), (11921, 1693458), (14474, 1394757), (15327, 1317134), (16506, 1223053), (21294, 948047), (21711, 929838), (22139, 911862), (23842, 846729), (30654, 658567), (35763, 564486), (43422, 464919), (44278, 455931), (50659, 398502), (65133, 309946), (66417, 303954), (71526, 282243), (94081, 214578), (101318, 199251), (107289, 188162), (130266, 154973), (132834, 151977)]