20983599

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25621}}^1$

素因数の和:25647

約数の個数: 24

約数和(自身を含む): 37305632

約数和(自身を除く): 16322033

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 25621, 76863, 179347, 230589, 333073, 538041, 999219, 1614123, 2331511, 2997657, 6994533, 20983599]

約数ペア:

[(1, 20983599), (3, 6994533), (7, 2997657), (9, 2331511), (13, 1614123), (21, 999219), (39, 538041), (63, 333073), (91, 230589), (117, 179347), (273, 76863), (819, 25621)]