20178254898

素因数分解:

$2^1\times 3^7\times {\mathrm{461}}^1\times {\mathrm{10007}}^1$

素因数の和:10491

約数の個数: 64

約数和(自身を含む): 45497168640

約数和(自身を除く): 25318913742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 461, 486, 729, 922, 1383, 1458, 2187, 2766, 4149, 4374, 8298, 10007, 12447, 20014, 24894, 30021, 37341, 60042, 74682, 90063, 112023, 180126, 224046, 270189, 336069, 540378, 672138, 810567, 1008207, 1621134, 2016414, 2431701, 4613227, 4863402, 7295103, 9226454, 13839681, 14590206, 21885309, 27679362, 41519043, 43770618, 83038086, 124557129, 249114258, 373671387, 747342774, 1121014161, 2242028322, 3363042483, 6726084966, 10089127449, 20178254898]

約数ペア:

[(1, 20178254898), (2, 10089127449), (3, 6726084966), (6, 3363042483), (9, 2242028322), (18, 1121014161), (27, 747342774), (54, 373671387), (81, 249114258), (162, 124557129), (243, 83038086), (461, 43770618), (486, 41519043), (729, 27679362), (922, 21885309), (1383, 14590206), (1458, 13839681), (2187, 9226454), (2766, 7295103), (4149, 4863402), (4374, 4613227), (8298, 2431701), (10007, 2016414), (12447, 1621134), (20014, 1008207), (24894, 810567), (30021, 672138), (37341, 540378), (60042, 336069), (74682, 270189), (90063, 224046), (112023, 180126)]