20263648

素因数分解:

$2^5\times {\mathrm{571}}^1\times {\mathrm{1109}}^1$

素因数の和:1690

約数の個数: 24

約数和(自身を含む): 39999960

約数和(自身を除く): 19736312

約数列:

[1, 2, 4, 8, 16, 32, 571, 1109, 1142, 2218, 2284, 4436, 4568, 8872, 9136, 17744, 18272, 35488, 633239, 1266478, 2532956, 5065912, 10131824, 20263648]

約数ペア:

[(1, 20263648), (2, 10131824), (4, 5065912), (8, 2532956), (16, 1266478), (32, 633239), (571, 35488), (1109, 18272), (1142, 17744), (2218, 9136), (2284, 8872), (4436, 4568)]