20155271451

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10457}}^1\times {\mathrm{5399}}^1$

素因数の和:15883

約数の個数: 32

約数和(自身を含む): 32528563200

約数和(自身を除く): 12373291749

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 5399, 10457, 16197, 31371, 37793, 73199, 91783, 113379, 177769, 219597, 275349, 533307, 642481, 1244383, 1927443, 3733149, 56457343, 169372029, 395201401, 959774831, 1185604203, 2879324493, 6718423817, 20155271451]

約数ペア:

[(1, 20155271451), (3, 6718423817), (7, 2879324493), (17, 1185604203), (21, 959774831), (51, 395201401), (119, 169372029), (357, 56457343), (5399, 3733149), (10457, 1927443), (16197, 1244383), (31371, 642481), (37793, 533307), (73199, 275349), (91783, 219597), (113379, 177769)]