20975808

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{15607}}^1$

素因数の和:15629

約数の個数: 56

約数和(自身を含む): 63430912

約数和(自身を除く): 42455104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 15607, 31214, 46821, 62428, 93642, 109249, 124856, 187284, 218498, 249712, 327747, 374568, 436996, 499424, 655494, 749136, 873992, 998848, 1310988, 1498272, 1747984, 2621976, 2996544, 3495968, 5243952, 6991936, 10487904, 20975808]

約数ペア:

[(1, 20975808), (2, 10487904), (3, 6991936), (4, 5243952), (6, 3495968), (7, 2996544), (8, 2621976), (12, 1747984), (14, 1498272), (16, 1310988), (21, 998848), (24, 873992), (28, 749136), (32, 655494), (42, 499424), (48, 436996), (56, 374568), (64, 327747), (84, 249712), (96, 218498), (112, 187284), (168, 124856), (192, 109249), (224, 93642), (336, 62428), (448, 46821), (672, 31214), (1344, 15607)]