20400496

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4603}}^1$

素因数の和:4888

約数の個数: 20

約数和(自身を含む): 39677272

約数和(自身を除く): 19276776

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 4603, 9206, 18412, 36824, 73648, 1275031, 2550062, 5100124, 10200248, 20400496]

約数ペア:

[(1, 20400496), (2, 10200248), (4, 5100124), (8, 2550062), (16, 1275031), (277, 73648), (554, 36824), (1108, 18412), (2216, 9206), (4432, 4603)]