20476995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17729}}^1$

素因数の和:17755

約数の個数: 32

約数和(自身を含む): 40849920

約数和(自身を除く): 20372925

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17729, 53187, 88645, 124103, 195019, 265935, 372309, 585057, 620515, 975095, 1365133, 1861545, 2925285, 4095399, 6825665, 20476995]

約数ペア:

[(1, 20476995), (3, 6825665), (5, 4095399), (7, 2925285), (11, 1861545), (15, 1365133), (21, 975095), (33, 620515), (35, 585057), (55, 372309), (77, 265935), (105, 195019), (165, 124103), (231, 88645), (385, 53187), (1155, 17729)]