20164579323

素因数分解:

$3^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{523}}^1$

素因数の和:1057

約数の個数: 64

約数和(自身を含む): 31842432000

約数和(自身を除く): 11677852677

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 343, 421, 523, 623, 1029, 1263, 1569, 1869, 2947, 3661, 4361, 8841, 10983, 13083, 20629, 25627, 30527, 37469, 46547, 61887, 76881, 91581, 112407, 139641, 144403, 179389, 220183, 262283, 325829, 433209, 538167, 660549, 786849, 977487, 1541281, 1835981, 2280803, 4623843, 5507943, 6842409, 10788967, 12851867, 15965621, 19596287, 32366901, 38555601, 47896863, 58788861, 75522769, 137174009, 226568307, 411522027, 960218063, 2880654189, 6721526441, 20164579323]

約数ペア:

[(1, 20164579323), (3, 6721526441), (7, 2880654189), (21, 960218063), (49, 411522027), (89, 226568307), (147, 137174009), (267, 75522769), (343, 58788861), (421, 47896863), (523, 38555601), (623, 32366901), (1029, 19596287), (1263, 15965621), (1569, 12851867), (1869, 10788967), (2947, 6842409), (3661, 5507943), (4361, 4623843), (8841, 2280803), (10983, 1835981), (13083, 1541281), (20629, 977487), (25627, 786849), (30527, 660549), (37469, 538167), (46547, 433209), (61887, 325829), (76881, 262283), (91581, 220183), (112407, 179389), (139641, 144403)]