20180989584

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{645833}}^1$

素因数の和:645885

約数の個数: 120

約数和(自身を含む): 66629402112

約数和(自身を除く): 46448412528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 72, 84, 93, 112, 124, 126, 144, 168, 186, 217, 248, 252, 279, 336, 372, 434, 496, 504, 558, 651, 744, 868, 1008, 1116, 1302, 1488, 1736, 1953, 2232, 2604, 3472, 3906, 4464, 5208, 7812, 10416, 15624, 31248, 645833, 1291666, 1937499, 2583332, 3874998, 4520831, 5166664, 5812497, 7749996, 9041662, 10333328, 11624994, 13562493, 15499992, 18083324, 20020823, 23249988, 27124986, 30999984, 36166648, 40041646, 40687479, 46499976, 54249972, 60062469, 72333296, 80083292, 81374958, 92999952, 108499944, 120124938, 140145761, 160166584, 162749916, 180187407, 216999888, 240249876, 280291522, 320333168, 325499832, 360374814, 420437283, 480499752, 560583044, 650999664, 720749628, 840874566, 960999504, 1121166088, 1261311849, 1441499256, 1681749132, 2242332176, 2522623698, 2882998512, 3363498264, 5045247396, 6726996528, 10090494792, 20180989584]

約数ペア:

[(1, 20180989584), (2, 10090494792), (3, 6726996528), (4, 5045247396), (6, 3363498264), (7, 2882998512), (8, 2522623698), (9, 2242332176), (12, 1681749132), (14, 1441499256), (16, 1261311849), (18, 1121166088), (21, 960999504), (24, 840874566), (28, 720749628), (31, 650999664), (36, 560583044), (42, 480499752), (48, 420437283), (56, 360374814), (62, 325499832), (63, 320333168), (72, 280291522), (84, 240249876), (93, 216999888), (112, 180187407), (124, 162749916), (126, 160166584), (144, 140145761), (168, 120124938), (186, 108499944), (217, 92999952), (248, 81374958), (252, 80083292), (279, 72333296), (336, 60062469), (372, 54249972), (434, 46499976), (496, 40687479), (504, 40041646), (558, 36166648), (651, 30999984), (744, 27124986), (868, 23249988), (1008, 20020823), (1116, 18083324), (1302, 15499992), (1488, 13562493), (1736, 11624994), (1953, 10333328), (2232, 9041662), (2604, 7749996), (3472, 5812497), (3906, 5166664), (4464, 4520831), (5208, 3874998), (7812, 2583332), (10416, 1937499), (15624, 1291666), (31248, 645833)]