20419886

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 33626880

約数和(自身を除く): 13206994

約数列:

[1, 2, 29, 31, 41, 58, 62, 82, 277, 554, 899, 1189, 1271, 1798, 2378, 2542, 8033, 8587, 11357, 16066, 17174, 22714, 36859, 73718, 249023, 329353, 352067, 498046, 658706, 704134, 10209943, 20419886]

約数ペア:

[(1, 20419886), (2, 10209943), (29, 704134), (31, 658706), (41, 498046), (58, 352067), (62, 329353), (82, 249023), (277, 73718), (554, 36859), (899, 22714), (1189, 17174), (1271, 16066), (1798, 11357), (2378, 8587), (2542, 8033)]