20301723

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 34201440

約数和(自身を除く): 13899717

約数列:

[1, 3, 9, 13, 17, 39, 51, 59, 117, 153, 173, 177, 221, 519, 531, 663, 767, 1003, 1557, 1989, 2249, 2301, 2941, 3009, 6747, 6903, 8823, 9027, 10207, 13039, 20241, 26469, 30621, 38233, 39117, 91863, 114699, 117351, 132691, 173519, 344097, 398073, 520557, 1194219, 1561671, 2255747, 6767241, 20301723]

約数ペア:

[(1, 20301723), (3, 6767241), (9, 2255747), (13, 1561671), (17, 1194219), (39, 520557), (51, 398073), (59, 344097), (117, 173519), (153, 132691), (173, 117351), (177, 114699), (221, 91863), (519, 39117), (531, 38233), (663, 30621), (767, 26469), (1003, 20241), (1557, 13039), (1989, 10207), (2249, 9027), (2301, 8823), (2941, 6903), (3009, 6747)]