20169796480

素因数分解:

$2^7\times 5^1\times {\mathrm{31515307}}^1$

素因数の和:31515326

約数の個数: 32

約数和(自身を含む): 48218421240

約数和(自身を除く): 28048624760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31515307, 63030614, 126061228, 157576535, 252122456, 315153070, 504244912, 630306140, 1008489824, 1260612280, 2016979648, 2521224560, 4033959296, 5042449120, 10084898240, 20169796480]

約数ペア:

[(1, 20169796480), (2, 10084898240), (4, 5042449120), (5, 4033959296), (8, 2521224560), (10, 2016979648), (16, 1260612280), (20, 1008489824), (32, 630306140), (40, 504244912), (64, 315153070), (80, 252122456), (128, 157576535), (160, 126061228), (320, 63030614), (640, 31515307)]