20485702016

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12311119}}^1$

素因数の和:12311146

約数の個数: 32

約数和(自身を含む): 43950698400

約数和(自身を除く): 23464996384

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12311119, 24622238, 49244476, 98488952, 160044547, 196977904, 320089094, 393955808, 640178188, 787911616, 1280356376, 1575823232, 2560712752, 5121425504, 10242851008, 20485702016]

約数ペア:

[(1, 20485702016), (2, 10242851008), (4, 5121425504), (8, 2560712752), (13, 1575823232), (16, 1280356376), (26, 787911616), (32, 640178188), (52, 393955808), (64, 320089094), (104, 196977904), (128, 160044547), (208, 98488952), (416, 49244476), (832, 24622238), (1664, 12311119)]