20450514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 49029120

約数和(自身を除く): 28578606

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 113, 139, 186, 217, 226, 278, 339, 417, 434, 651, 678, 791, 834, 973, 1302, 1582, 1946, 2373, 2919, 3503, 4309, 4746, 5838, 7006, 8618, 10509, 12927, 15707, 21018, 24521, 25854, 30163, 31414, 47121, 49042, 60326, 73563, 90489, 94242, 109949, 147126, 180978, 219898, 329847, 486917, 659694, 973834, 1460751, 2921502, 3408419, 6816838, 10225257, 20450514]

約数ペア:

[(1, 20450514), (2, 10225257), (3, 6816838), (6, 3408419), (7, 2921502), (14, 1460751), (21, 973834), (31, 659694), (42, 486917), (62, 329847), (93, 219898), (113, 180978), (139, 147126), (186, 109949), (217, 94242), (226, 90489), (278, 73563), (339, 60326), (417, 49042), (434, 47121), (651, 31414), (678, 30163), (791, 25854), (834, 24521), (973, 21018), (1302, 15707), (1582, 12927), (1946, 10509), (2373, 8618), (2919, 7006), (3503, 5838), (4309, 4746)]