16542156940

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1022383}}^1$

素因数の和:1023201

約数の個数: 24

約数和(自身を含む): 34781503680

約数和(自身を除く): 18239346740

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 1022383, 2044766, 4089532, 5111915, 10223830, 20447660, 827107847, 1654215694, 3308431388, 4135539235, 8271078470, 16542156940]

約数ペア:

[(1, 16542156940), (2, 8271078470), (4, 4135539235), (5, 3308431388), (10, 1654215694), (20, 827107847), (809, 20447660), (1618, 10223830), (3236, 5111915), (4045, 4089532), (8090, 2044766), (16180, 1022383)]