20145316

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1843

約数の個数: 24

約数和(自身を含む): 36686720

約数和(自身を除く): 16541404

約数列:

[1, 2, 4, 37, 74, 79, 148, 158, 316, 1723, 2923, 3446, 5846, 6892, 11692, 63751, 127502, 136117, 255004, 272234, 544468, 5036329, 10072658, 20145316]

約数ペア:

[(1, 20145316), (2, 10072658), (4, 5036329), (37, 544468), (74, 272234), (79, 255004), (148, 136117), (158, 127502), (316, 63751), (1723, 11692), (2923, 6892), (3446, 5846)]