20931376

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14699}}^1$

素因数の和:14796

約数の個数: 20

約数和(自身を含む): 41013000

約数和(自身を除く): 20081624

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14699, 29398, 58796, 117592, 235184, 1308211, 2616422, 5232844, 10465688, 20931376]

約数ペア:

[(1, 20931376), (2, 10465688), (4, 5232844), (8, 2616422), (16, 1308211), (89, 235184), (178, 117592), (356, 58796), (712, 29398), (1424, 14699)]