20494677

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 32820480

約数和(自身を除く): 12325803

約数列:

[1, 3, 7, 21, 29, 73, 87, 203, 219, 461, 511, 609, 1383, 1533, 2117, 3227, 6351, 9681, 13369, 14819, 33653, 40107, 44457, 93583, 100959, 235571, 280749, 706713, 975937, 2927811, 6831559, 20494677]

約数ペア:

[(1, 20494677), (3, 6831559), (7, 2927811), (21, 975937), (29, 706713), (73, 280749), (87, 235571), (203, 100959), (219, 93583), (461, 44457), (511, 40107), (609, 33653), (1383, 14819), (1533, 13369), (2117, 9681), (3227, 6351)]