20821606

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 35814240

約数和(自身を除く): 14992634

約数列:

[1, 2, 13, 19, 26, 38, 113, 226, 247, 373, 494, 746, 1469, 2147, 2938, 4294, 4849, 7087, 9698, 14174, 27911, 42149, 55822, 84298, 92131, 184262, 547937, 800831, 1095874, 1601662, 10410803, 20821606]

約数ペア:

[(1, 20821606), (2, 10410803), (13, 1601662), (19, 1095874), (26, 800831), (38, 547937), (113, 184262), (226, 92131), (247, 84298), (373, 55822), (494, 42149), (746, 27911), (1469, 14174), (2147, 9698), (2938, 7087), (4294, 4849)]