20578938

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1861}}^1$

素因数の和:1982

約数の個数: 32

約数和(自身を含む): 43794240

約数和(自身を除く): 23215302

約数列:

[1, 2, 3, 6, 19, 38, 57, 97, 114, 194, 291, 582, 1843, 1861, 3686, 3722, 5529, 5583, 11058, 11166, 35359, 70718, 106077, 180517, 212154, 361034, 541551, 1083102, 3429823, 6859646, 10289469, 20578938]

約数ペア:

[(1, 20578938), (2, 10289469), (3, 6859646), (6, 3429823), (19, 1083102), (38, 541551), (57, 361034), (97, 212154), (114, 180517), (194, 106077), (291, 70718), (582, 35359), (1843, 11166), (1861, 11058), (3686, 5583), (3722, 5529)]