20130344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4721}}^1$

素因数の和:4781

約数の個数: 32

約数和(自身を含む): 41648040

約数和(自身を除く): 21517696

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4721, 9442, 18884, 37768, 61373, 122746, 193561, 245492, 387122, 490984, 774244, 1548488, 2516293, 5032586, 10065172, 20130344]

約数ペア:

[(1, 20130344), (2, 10065172), (4, 5032586), (8, 2516293), (13, 1548488), (26, 774244), (41, 490984), (52, 387122), (82, 245492), (104, 193561), (164, 122746), (328, 61373), (533, 37768), (1066, 18884), (2132, 9442), (4264, 4721)]