20531019

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{761}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 30339792

約数和(自身を除く): 9808773

約数列:

[1, 3, 17, 23, 51, 69, 391, 529, 761, 1173, 1587, 2283, 8993, 12937, 17503, 26979, 38811, 52509, 297551, 402569, 892653, 1207707, 6843673, 20531019]

約数ペア:

[(1, 20531019), (3, 6843673), (17, 1207707), (23, 892653), (51, 402569), (69, 297551), (391, 52509), (529, 38811), (761, 26979), (1173, 17503), (1587, 12937), (2283, 8993)]