20144592027

素因数分解:

$3^4\times 7^3\times {\mathrm{47}}^1\times {\mathrm{15427}}^1$

素因数の和:15507

約数の個数: 80

約数和(自身を含む): 35842329600

約数和(自身を除く): 15697737573

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 81, 141, 147, 189, 329, 343, 423, 441, 567, 987, 1029, 1269, 1323, 2303, 2961, 3087, 3807, 3969, 6909, 8883, 9261, 15427, 16121, 20727, 26649, 27783, 46281, 48363, 62181, 107989, 138843, 145089, 186543, 323967, 416529, 435267, 725069, 755923, 971901, 1249587, 1305801, 2175207, 2267769, 2915703, 5075483, 5291461, 6525621, 6803307, 8747109, 15226449, 15874383, 19576863, 20409921, 35528381, 45679347, 47623149, 58730589, 61229763, 106585143, 137038041, 142869447, 248698667, 319755429, 411114123, 428608341, 746096001, 959266287, 2238288003, 2877798861, 6714864009, 20144592027]

約数ペア:

[(1, 20144592027), (3, 6714864009), (7, 2877798861), (9, 2238288003), (21, 959266287), (27, 746096001), (47, 428608341), (49, 411114123), (63, 319755429), (81, 248698667), (141, 142869447), (147, 137038041), (189, 106585143), (329, 61229763), (343, 58730589), (423, 47623149), (441, 45679347), (567, 35528381), (987, 20409921), (1029, 19576863), (1269, 15874383), (1323, 15226449), (2303, 8747109), (2961, 6803307), (3087, 6525621), (3807, 5291461), (3969, 5075483), (6909, 2915703), (8883, 2267769), (9261, 2175207), (15427, 1305801), (16121, 1249587), (20727, 971901), (26649, 755923), (27783, 725069), (46281, 435267), (48363, 416529), (62181, 323967), (107989, 186543), (138843, 145089)]