20761636

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4549}}^1$

素因数の和:4723

約数の個数: 24

約数和(自身を含む): 41787200

約数和(自身を除く): 21025564

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4549, 4564, 9098, 18196, 31843, 63686, 127372, 741487, 1482974, 2965948, 5190409, 10380818, 20761636]

約数ペア:

[(1, 20761636), (2, 10380818), (4, 5190409), (7, 2965948), (14, 1482974), (28, 741487), (163, 127372), (326, 63686), (652, 31843), (1141, 18196), (2282, 9098), (4549, 4564)]