20280944

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{1319}}^1$

素因数の和:1389

約数の個数: 30

約数和(自身を含む): 40633560

約数和(自身を除く): 20352616

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 961, 1319, 1922, 2638, 3844, 5276, 7688, 10552, 15376, 21104, 40889, 81778, 163556, 327112, 654224, 1267559, 2535118, 5070236, 10140472, 20280944]

約数ペア:

[(1, 20280944), (2, 10140472), (4, 5070236), (8, 2535118), (16, 1267559), (31, 654224), (62, 327112), (124, 163556), (248, 81778), (496, 40889), (961, 21104), (1319, 15376), (1922, 10552), (2638, 7688), (3844, 5276)]