20669712

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 61519872

約数和(自身を除く): 40850160

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 227, 271, 336, 454, 542, 681, 813, 908, 1084, 1362, 1589, 1626, 1816, 1897, 2168, 2724, 3178, 3252, 3632, 3794, 4336, 4767, 5448, 5691, 6356, 6504, 7588, 9534, 10896, 11382, 12712, 13008, 15176, 19068, 22764, 25424, 30352, 38136, 45528, 61517, 76272, 91056, 123034, 184551, 246068, 369102, 430619, 492136, 738204, 861238, 984272, 1291857, 1476408, 1722476, 2583714, 2952816, 3444952, 5167428, 6889904, 10334856, 20669712]

約数ペア:

[(1, 20669712), (2, 10334856), (3, 6889904), (4, 5167428), (6, 3444952), (7, 2952816), (8, 2583714), (12, 1722476), (14, 1476408), (16, 1291857), (21, 984272), (24, 861238), (28, 738204), (42, 492136), (48, 430619), (56, 369102), (84, 246068), (112, 184551), (168, 123034), (227, 91056), (271, 76272), (336, 61517), (454, 45528), (542, 38136), (681, 30352), (813, 25424), (908, 22764), (1084, 19068), (1362, 15176), (1589, 13008), (1626, 12712), (1816, 11382), (1897, 10896), (2168, 9534), (2724, 7588), (3178, 6504), (3252, 6356), (3632, 5691), (3794, 5448), (4336, 4767)]