20398528

素因数分解:

$2^6\times {\mathrm{139}}^1\times {\mathrm{2293}}^1$

素因数の和:2444

約数の個数: 28

約数和(自身を含む): 40787320

約数和(自身を除く): 20388792

約数列:

[1, 2, 4, 8, 16, 32, 64, 139, 278, 556, 1112, 2224, 2293, 4448, 4586, 8896, 9172, 18344, 36688, 73376, 146752, 318727, 637454, 1274908, 2549816, 5099632, 10199264, 20398528]

約数ペア:

[(1, 20398528), (2, 10199264), (4, 5099632), (8, 2549816), (16, 1274908), (32, 637454), (64, 318727), (139, 146752), (278, 73376), (556, 36688), (1112, 18344), (2224, 9172), (2293, 8896), (4448, 4586)]