20555072

素因数分解:

$2^6\times {\mathrm{397}}^1\times {\mathrm{809}}^1$

素因数の和:1218

約数の個数: 28

約数和(自身を含む): 40942260

約数和(自身を除く): 20387188

約数列:

[1, 2, 4, 8, 16, 32, 64, 397, 794, 809, 1588, 1618, 3176, 3236, 6352, 6472, 12704, 12944, 25408, 25888, 51776, 321173, 642346, 1284692, 2569384, 5138768, 10277536, 20555072]

約数ペア:

[(1, 20555072), (2, 10277536), (4, 5138768), (8, 2569384), (16, 1284692), (32, 642346), (64, 321173), (397, 51776), (794, 25888), (809, 25408), (1588, 12944), (1618, 12704), (3176, 6472), (3236, 6352)]