20347726329

素因数分解:

$3^2\times 7^2\times {\mathrm{991}}^1\times {\mathrm{46559}}^1$

素因数の和:47570

約数の個数: 36

約数和(自身を含む): 34224952320

約数和(自身を除く): 13877225991

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 991, 2973, 6937, 8919, 20811, 46559, 48559, 62433, 139677, 145677, 325913, 419031, 437031, 977739, 2281391, 2933217, 6844173, 20532519, 46139969, 138419907, 322979783, 415259721, 968939349, 2260858481, 2906818047, 6782575443, 20347726329]

約数ペア:

[(1, 20347726329), (3, 6782575443), (7, 2906818047), (9, 2260858481), (21, 968939349), (49, 415259721), (63, 322979783), (147, 138419907), (441, 46139969), (991, 20532519), (2973, 6844173), (6937, 2933217), (8919, 2281391), (20811, 977739), (46559, 437031), (48559, 419031), (62433, 325913), (139677, 145677)]