20180994561

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{4481}}^1$

素因数の和:4573

約数の個数: 120

約数和(自身を含む): 38110051584

約数和(自身を除く): 17929057023

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 47, 63, 81, 91, 117, 141, 169, 189, 273, 329, 351, 423, 507, 567, 611, 819, 987, 1053, 1183, 1269, 1521, 1833, 2457, 2961, 3549, 3807, 4277, 4481, 4563, 5499, 7371, 7943, 8883, 10647, 12831, 13443, 13689, 16497, 23829, 26649, 31367, 31941, 38493, 40329, 49491, 55601, 58253, 71487, 94101, 95823, 115479, 120987, 166803, 174759, 210607, 214461, 282303, 346437, 362961, 407771, 500409, 524277, 631821, 643383, 757289, 846909, 1223313, 1474249, 1501227, 1572831, 1895463, 2271867, 2540727, 2737891, 3669939, 4422747, 4503681, 4718493, 5301023, 5686389, 6815601, 8213673, 11009817, 13268241, 15903069, 17059167, 19165237, 20446803, 24641019, 33029451, 35592583, 39804723, 47709207, 57495711, 61340409, 73923057, 106777749, 119414169, 143127621, 172487133, 221769171, 249148081, 320333247, 429382863, 517461399, 747444243, 960999741, 1552384197, 2242332729, 2882999223, 6726998187, 20180994561]

約数ペア:

[(1, 20180994561), (3, 6726998187), (7, 2882999223), (9, 2242332729), (13, 1552384197), (21, 960999741), (27, 747444243), (39, 517461399), (47, 429382863), (63, 320333247), (81, 249148081), (91, 221769171), (117, 172487133), (141, 143127621), (169, 119414169), (189, 106777749), (273, 73923057), (329, 61340409), (351, 57495711), (423, 47709207), (507, 39804723), (567, 35592583), (611, 33029451), (819, 24641019), (987, 20446803), (1053, 19165237), (1183, 17059167), (1269, 15903069), (1521, 13268241), (1833, 11009817), (2457, 8213673), (2961, 6815601), (3549, 5686389), (3807, 5301023), (4277, 4718493), (4481, 4503681), (4563, 4422747), (5499, 3669939), (7371, 2737891), (7943, 2540727), (8883, 2271867), (10647, 1895463), (12831, 1572831), (13443, 1501227), (13689, 1474249), (16497, 1223313), (23829, 846909), (26649, 757289), (31367, 643383), (31941, 631821), (38493, 524277), (40329, 500409), (49491, 407771), (55601, 362961), (58253, 346437), (71487, 282303), (94101, 214461), (95823, 210607), (115479, 174759), (120987, 166803)]