20224269

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 32560640

約数和(自身を除く): 12336371

約数列:

[1, 3, 9, 13, 27, 39, 117, 157, 351, 367, 471, 1101, 1413, 2041, 3303, 4239, 4771, 6123, 9909, 14313, 18369, 42939, 55107, 57619, 128817, 172857, 518571, 749047, 1555713, 2247141, 6741423, 20224269]

約数ペア:

[(1, 20224269), (3, 6741423), (9, 2247141), (13, 1555713), (27, 749047), (39, 518571), (117, 172857), (157, 128817), (351, 57619), (367, 55107), (471, 42939), (1101, 18369), (1413, 14313), (2041, 9909), (3303, 6123), (4239, 4771)]