20284016

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{3259}}^1$

素因数の和:3656

約数の個数: 20

約数和(自身を含む): 39413400

約数和(自身を除く): 19129384

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 3259, 6224, 6518, 13036, 26072, 52144, 1267751, 2535502, 5071004, 10142008, 20284016]

約数ペア:

[(1, 20284016), (2, 10142008), (4, 5071004), (8, 2535502), (16, 1267751), (389, 52144), (778, 26072), (1556, 13036), (3112, 6518), (3259, 6224)]