20982992

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3001}}^1$

素因数の和:3051

約数の個数: 40

約数和(自身を含む): 44669760

約数和(自身を除く): 23686768

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 3001, 3496, 6002, 6992, 12004, 24008, 48016, 57019, 69023, 114038, 138046, 228076, 276092, 456152, 552184, 912304, 1104368, 1311437, 2622874, 5245748, 10491496, 20982992]

約数ペア:

[(1, 20982992), (2, 10491496), (4, 5245748), (8, 2622874), (16, 1311437), (19, 1104368), (23, 912304), (38, 552184), (46, 456152), (76, 276092), (92, 228076), (152, 138046), (184, 114038), (304, 69023), (368, 57019), (437, 48016), (874, 24008), (1748, 12004), (3001, 6992), (3496, 6002)]