20173453960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{68329}}^1$

素因数の和:68423

約数の個数: 96

約数和(自身を含む): 50710426200

約数和(自身を除く): 30536972240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 121, 122, 220, 242, 244, 305, 440, 484, 488, 605, 610, 671, 968, 1210, 1220, 1342, 2420, 2440, 2684, 3355, 4840, 5368, 6710, 7381, 13420, 14762, 26840, 29524, 36905, 59048, 68329, 73810, 136658, 147620, 273316, 295240, 341645, 546632, 683290, 751619, 1366580, 1503238, 2733160, 3006476, 3758095, 4168069, 6012952, 7516190, 8267809, 8336138, 15032380, 16535618, 16672276, 20840345, 30064760, 33071236, 33344552, 41339045, 41680690, 45848759, 66142472, 82678090, 83361380, 91697518, 165356180, 166722760, 183395036, 229243795, 330712360, 366790072, 458487590, 504336349, 916975180, 1008672698, 1833950360, 2017345396, 2521681745, 4034690792, 5043363490, 10086726980, 20173453960]

約数ペア:

[(1, 20173453960), (2, 10086726980), (4, 5043363490), (5, 4034690792), (8, 2521681745), (10, 2017345396), (11, 1833950360), (20, 1008672698), (22, 916975180), (40, 504336349), (44, 458487590), (55, 366790072), (61, 330712360), (88, 229243795), (110, 183395036), (121, 166722760), (122, 165356180), (220, 91697518), (242, 83361380), (244, 82678090), (305, 66142472), (440, 45848759), (484, 41680690), (488, 41339045), (605, 33344552), (610, 33071236), (671, 30064760), (968, 20840345), (1210, 16672276), (1220, 16535618), (1342, 15032380), (2420, 8336138), (2440, 8267809), (2684, 7516190), (3355, 6012952), (4840, 4168069), (5368, 3758095), (6710, 3006476), (7381, 2733160), (13420, 1503238), (14762, 1366580), (26840, 751619), (29524, 683290), (36905, 546632), (59048, 341645), (68329, 295240), (73810, 273316), (136658, 147620)]