20512157865

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{381019}}^1$

素因数の和:381161

約数の個数: 32

約数和(自身を含む): 34054043520

約数和(自身を除く): 13541885655

約数列:

[1, 3, 5, 15, 37, 97, 111, 185, 291, 485, 555, 1455, 3589, 10767, 17945, 53835, 381019, 1143057, 1905095, 5715285, 14097703, 36958843, 42293109, 70488515, 110876529, 184794215, 211465545, 554382645, 1367477191, 4102431573, 6837385955, 20512157865]

約数ペア:

[(1, 20512157865), (3, 6837385955), (5, 4102431573), (15, 1367477191), (37, 554382645), (97, 211465545), (111, 184794215), (185, 110876529), (291, 70488515), (485, 42293109), (555, 36958843), (1455, 14097703), (3589, 5715285), (10767, 1905095), (17945, 1143057), (53835, 381019)]