20185216

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5087}}^1$

素因数の和:5132

約数の個数: 32

約数和(自身を含む): 41518080

約数和(自身を除く): 21332864

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5087, 10174, 20348, 40696, 81392, 157697, 162784, 315394, 325568, 630788, 651136, 1261576, 2523152, 5046304, 10092608, 20185216]

約数ペア:

[(1, 20185216), (2, 10092608), (4, 5046304), (8, 2523152), (16, 1261576), (31, 651136), (32, 630788), (62, 325568), (64, 315394), (124, 162784), (128, 157697), (248, 81392), (496, 40696), (992, 20348), (1984, 10174), (3968, 5087)]