20293377

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12101}}^1$

素因数の和:12160

約数の個数: 16

約数和(自身を含む): 29819328

約数和(自身を除く): 9525951

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12101, 36303, 157313, 471939, 520343, 1561029, 6764459, 20293377]

約数ペア:

[(1, 20293377), (3, 6764459), (13, 1561029), (39, 520343), (43, 471939), (129, 157313), (559, 36303), (1677, 12101)]