20565532881

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{433}}^1\times {\mathrm{47543}}^1$

素因数の和:48022

約数の個数: 32

約数和(自身を含む): 31363825920

約数和(自身を除く): 10798293039

約数列:

[1, 3, 9, 27, 37, 111, 333, 433, 999, 1299, 3897, 11691, 16021, 47543, 48063, 142629, 144189, 427887, 432567, 1283661, 1759091, 5277273, 15831819, 20586119, 47495457, 61758357, 185275071, 555825213, 761686403, 2285059209, 6855177627, 20565532881]

約数ペア:

[(1, 20565532881), (3, 6855177627), (9, 2285059209), (27, 761686403), (37, 555825213), (111, 185275071), (333, 61758357), (433, 47495457), (999, 20586119), (1299, 15831819), (3897, 5277273), (11691, 1759091), (16021, 1283661), (47543, 432567), (48063, 427887), (142629, 144189)]