20178519

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{5657}}^1$

素因数の和:5730

約数の個数: 16

約数和(自身を含む): 28516320

約数和(自身を除く): 8337801

約数列:

[1, 3, 29, 41, 87, 123, 1189, 3567, 5657, 16971, 164053, 231937, 492159, 695811, 6726173, 20178519]

約数ペア:

[(1, 20178519), (3, 6726173), (29, 695811), (41, 492159), (87, 231937), (123, 164053), (1189, 16971), (3567, 5657)]