20934693

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{47}}^2$

素因数の和:125

約数の個数: 42

約数和(自身を含む): 34536614

約数和(自身を除く): 13601921

約数列:

[1, 3, 9, 13, 27, 39, 47, 81, 117, 141, 243, 351, 423, 611, 729, 1053, 1269, 1833, 2209, 3159, 3807, 5499, 6627, 9477, 11421, 16497, 19881, 28717, 34263, 49491, 59643, 86151, 148473, 178929, 258453, 445419, 536787, 775359, 1610361, 2326077, 6978231, 20934693]

約数ペア:

[(1, 20934693), (3, 6978231), (9, 2326077), (13, 1610361), (27, 775359), (39, 536787), (47, 445419), (81, 258453), (117, 178929), (141, 148473), (243, 86151), (351, 59643), (423, 49491), (611, 34263), (729, 28717), (1053, 19881), (1269, 16497), (1833, 11421), (2209, 9477), (3159, 6627), (3807, 5499)]