20180474769

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1481}}^1$

素因数の和:1631

約数の個数: 128

約数和(自身を含む): 36330577920

約数和(自身を除く): 16150103151

約数列:

[1, 3, 7, 13, 19, 21, 37, 39, 57, 71, 91, 111, 133, 213, 247, 259, 273, 399, 481, 497, 703, 741, 777, 923, 1349, 1443, 1481, 1491, 1729, 2109, 2627, 2769, 3367, 4047, 4443, 4921, 5187, 6461, 7881, 9139, 9443, 10101, 10367, 14763, 17537, 18389, 19253, 19383, 27417, 28139, 28329, 31101, 34151, 49913, 52611, 54797, 55167, 57759, 63973, 84417, 102453, 105151, 122759, 134771, 149739, 164391, 191919, 196973, 239057, 315453, 349391, 365807, 368277, 383579, 404313, 590919, 648869, 712361, 717171, 736057, 1041143, 1048173, 1097421, 1150737, 1366963, 1946607, 1997869, 2137083, 2208171, 2560649, 3123429, 3890587, 4100889, 4542083, 4986527, 5993607, 7288001, 7681947, 9568741, 11671761, 13534859, 13626249, 13985083, 14959581, 21864003, 25972297, 27234109, 28706223, 40604577, 41955249, 50577631, 73921153, 77916891, 81702327, 94744013, 151732893, 181806079, 221763459, 284232039, 354043417, 517448071, 545418237, 960974989, 1062130251, 1552344213, 2882924967, 6726824923, 20180474769]

約数ペア:

[(1, 20180474769), (3, 6726824923), (7, 2882924967), (13, 1552344213), (19, 1062130251), (21, 960974989), (37, 545418237), (39, 517448071), (57, 354043417), (71, 284232039), (91, 221763459), (111, 181806079), (133, 151732893), (213, 94744013), (247, 81702327), (259, 77916891), (273, 73921153), (399, 50577631), (481, 41955249), (497, 40604577), (703, 28706223), (741, 27234109), (777, 25972297), (923, 21864003), (1349, 14959581), (1443, 13985083), (1481, 13626249), (1491, 13534859), (1729, 11671761), (2109, 9568741), (2627, 7681947), (2769, 7288001), (3367, 5993607), (4047, 4986527), (4443, 4542083), (4921, 4100889), (5187, 3890587), (6461, 3123429), (7881, 2560649), (9139, 2208171), (9443, 2137083), (10101, 1997869), (10367, 1946607), (14763, 1366963), (17537, 1150737), (18389, 1097421), (19253, 1048173), (19383, 1041143), (27417, 736057), (28139, 717171), (28329, 712361), (31101, 648869), (34151, 590919), (49913, 404313), (52611, 383579), (54797, 368277), (55167, 365807), (57759, 349391), (63973, 315453), (84417, 239057), (102453, 196973), (105151, 191919), (122759, 164391), (134771, 149739)]