20145514

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{1627}}^1$

素因数の和:1821

約数の個数: 16

約数和(自身を含む): 31179456

約数和(自身を除く): 11033942

約数列:

[1, 2, 41, 82, 151, 302, 1627, 3254, 6191, 12382, 66707, 133414, 245677, 491354, 10072757, 20145514]

約数ペア:

[(1, 20145514), (2, 10072757), (41, 491354), (82, 245677), (151, 133414), (302, 66707), (1627, 12382), (3254, 6191)]