20065484

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 35750400

約数和(自身を除く): 15684916

約数列:

[1, 2, 4, 139, 151, 239, 278, 302, 478, 556, 604, 956, 20989, 33221, 36089, 41978, 66442, 72178, 83956, 132884, 144356, 5016371, 10032742, 20065484]

約数ペア:

[(1, 20065484), (2, 10032742), (4, 5016371), (139, 144356), (151, 132884), (239, 83956), (278, 72178), (302, 66442), (478, 41978), (556, 36089), (604, 33221), (956, 20989)]