20512119747

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{64223}}^1$

素因数の和:64527

約数の個数: 32

約数和(自身を含む): 31863324672

約数和(自身を除く): 11351204925

約数列:

[1, 3, 7, 21, 67, 201, 227, 469, 681, 1407, 1589, 4767, 15209, 45627, 64223, 106463, 192669, 319389, 449561, 1348683, 4302941, 12908823, 14578621, 30120587, 43735863, 90361761, 102050347, 306151041, 976767607, 2930302821, 6837373249, 20512119747]

約数ペア:

[(1, 20512119747), (3, 6837373249), (7, 2930302821), (21, 976767607), (67, 306151041), (201, 102050347), (227, 90361761), (469, 43735863), (681, 30120587), (1407, 14578621), (1589, 12908823), (4767, 4302941), (15209, 1348683), (45627, 449561), (64223, 319389), (106463, 192669)]