20215528

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{607}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 39836160

約数和(自身を除く): 19620632

約数列:

[1, 2, 4, 8, 23, 46, 92, 181, 184, 362, 607, 724, 1214, 1448, 2428, 4163, 4856, 8326, 13961, 16652, 27922, 33304, 55844, 109867, 111688, 219734, 439468, 878936, 2526941, 5053882, 10107764, 20215528]

約数ペア:

[(1, 20215528), (2, 10107764), (4, 5053882), (8, 2526941), (23, 878936), (46, 439468), (92, 219734), (181, 111688), (184, 109867), (362, 55844), (607, 33304), (724, 27922), (1214, 16652), (1448, 13961), (2428, 8326), (4163, 4856)]