20191961811

素因数分解:

$3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{2085731}}^1$

素因数の和:2086202

約数の個数: 16

約数和(自身を含む): 30835461888

約数和(自身を除く): 10643500077

約数列:

[1, 3, 7, 21, 461, 1383, 3227, 9681, 2085731, 6257193, 14600117, 43800351, 961521991, 2884565973, 6730653937, 20191961811]

約数ペア:

[(1, 20191961811), (3, 6730653937), (7, 2884565973), (21, 961521991), (461, 43800351), (1383, 14600117), (3227, 6257193), (9681, 2085731)]