20987976

素因数分解:

$2^3\times 3^1\times {\mathrm{431}}^1\times {\mathrm{2029}}^1$

素因数の和:2469

約数の個数: 32

約数和(自身を含む): 52617600

約数和(自身を除く): 31629624

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 431, 862, 1293, 1724, 2029, 2586, 3448, 4058, 5172, 6087, 8116, 10344, 12174, 16232, 24348, 48696, 874499, 1748998, 2623497, 3497996, 5246994, 6995992, 10493988, 20987976]

約数ペア:

[(1, 20987976), (2, 10493988), (3, 6995992), (4, 5246994), (6, 3497996), (8, 2623497), (12, 1748998), (24, 874499), (431, 48696), (862, 24348), (1293, 16232), (1724, 12174), (2029, 10344), (2586, 8116), (3448, 6087), (4058, 5172)]