20996957589

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1\times {\mathrm{10007}}^1$

素因数の和:10441

約数の個数: 32

約数和(自身を含む): 29803023360

約数和(自身を除く): 8806065771

約数列:

[1, 3, 19, 57, 131, 281, 393, 843, 2489, 5339, 7467, 10007, 16017, 30021, 36811, 110433, 190133, 570399, 699409, 1310917, 2098227, 2811967, 3932751, 8435901, 24907423, 53427373, 74722269, 160282119, 368367677, 1105103031, 6998985863, 20996957589]

約数ペア:

[(1, 20996957589), (3, 6998985863), (19, 1105103031), (57, 368367677), (131, 160282119), (281, 74722269), (393, 53427373), (843, 24907423), (2489, 8435901), (5339, 3932751), (7467, 2811967), (10007, 2098227), (16017, 1310917), (30021, 699409), (36811, 570399), (110433, 190133)]