20331885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8419}}^1$

素因数の和:8457

約数の個数: 32

約数和(自身を含む): 38799360

約数和(自身を除く): 18467475

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8419, 25257, 42095, 58933, 126285, 176799, 193637, 294665, 580911, 883995, 968185, 1355459, 2904555, 4066377, 6777295, 20331885]

約数ペア:

[(1, 20331885), (3, 6777295), (5, 4066377), (7, 2904555), (15, 1355459), (21, 968185), (23, 883995), (35, 580911), (69, 294665), (105, 193637), (115, 176799), (161, 126285), (345, 58933), (483, 42095), (805, 25257), (2415, 8419)]