20900908

素因数分解:

$2^2\times 7^1\times {\mathrm{823}}^1\times {\mathrm{907}}^1$

素因数の和:1741

約数の個数: 24

約数和(自身を含む): 41898752

約数和(自身を除く): 20997844

約数列:

[1, 2, 4, 7, 14, 28, 823, 907, 1646, 1814, 3292, 3628, 5761, 6349, 11522, 12698, 23044, 25396, 746461, 1492922, 2985844, 5225227, 10450454, 20900908]

約数ペア:

[(1, 20900908), (2, 10450454), (4, 5225227), (7, 2985844), (14, 1492922), (28, 746461), (823, 25396), (907, 23044), (1646, 12698), (1814, 11522), (3292, 6349), (3628, 5761)]