20771208

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 62380800

約数和(自身を除く): 41609592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 37, 46, 54, 69, 72, 74, 92, 108, 111, 113, 138, 148, 184, 207, 216, 222, 226, 276, 296, 333, 339, 414, 444, 452, 552, 621, 666, 678, 828, 851, 888, 904, 999, 1017, 1242, 1332, 1356, 1656, 1702, 1998, 2034, 2484, 2553, 2599, 2664, 2712, 3051, 3404, 3996, 4068, 4181, 4968, 5106, 5198, 6102, 6808, 7659, 7797, 7992, 8136, 8362, 10212, 10396, 12204, 12543, 15318, 15594, 16724, 20424, 20792, 22977, 23391, 24408, 25086, 30636, 31188, 33448, 37629, 45954, 46782, 50172, 61272, 62376, 70173, 75258, 91908, 93564, 96163, 100344, 112887, 140346, 150516, 183816, 187128, 192326, 225774, 280692, 288489, 301032, 384652, 451548, 561384, 576978, 769304, 865467, 903096, 1153956, 1730934, 2307912, 2596401, 3461868, 5192802, 6923736, 10385604, 20771208]

約数ペア:

[(1, 20771208), (2, 10385604), (3, 6923736), (4, 5192802), (6, 3461868), (8, 2596401), (9, 2307912), (12, 1730934), (18, 1153956), (23, 903096), (24, 865467), (27, 769304), (36, 576978), (37, 561384), (46, 451548), (54, 384652), (69, 301032), (72, 288489), (74, 280692), (92, 225774), (108, 192326), (111, 187128), (113, 183816), (138, 150516), (148, 140346), (184, 112887), (207, 100344), (216, 96163), (222, 93564), (226, 91908), (276, 75258), (296, 70173), (333, 62376), (339, 61272), (414, 50172), (444, 46782), (452, 45954), (552, 37629), (621, 33448), (666, 31188), (678, 30636), (828, 25086), (851, 24408), (888, 23391), (904, 22977), (999, 20792), (1017, 20424), (1242, 16724), (1332, 15594), (1356, 15318), (1656, 12543), (1702, 12204), (1998, 10396), (2034, 10212), (2484, 8362), (2553, 8136), (2599, 7992), (2664, 7797), (2712, 7659), (3051, 6808), (3404, 6102), (3996, 5198), (4068, 5106), (4181, 4968)]