20605448

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1039}}^1$

素因数の和:1149

約数の個数: 32

約数和(自身を含む): 40310400

約数和(自身を除く): 19704952

約数列:

[1, 2, 4, 8, 37, 67, 74, 134, 148, 268, 296, 536, 1039, 2078, 2479, 4156, 4958, 8312, 9916, 19832, 38443, 69613, 76886, 139226, 153772, 278452, 307544, 556904, 2575681, 5151362, 10302724, 20605448]

約数ペア:

[(1, 20605448), (2, 10302724), (4, 5151362), (8, 2575681), (37, 556904), (67, 307544), (74, 278452), (134, 153772), (148, 139226), (268, 76886), (296, 69613), (536, 38443), (1039, 19832), (2078, 9916), (2479, 8312), (4156, 4958)]