20155695

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 37148160

約数和(自身を除く): 16992465

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 139, 417, 695, 973, 1381, 2085, 2919, 4143, 4865, 6905, 9667, 14595, 20715, 29001, 48335, 145005, 191959, 575877, 959795, 1343713, 2879385, 4031139, 6718565, 20155695]

約数ペア:

[(1, 20155695), (3, 6718565), (5, 4031139), (7, 2879385), (15, 1343713), (21, 959795), (35, 575877), (105, 191959), (139, 145005), (417, 48335), (695, 29001), (973, 20715), (1381, 14595), (2085, 9667), (2919, 6905), (4143, 4865)]