20895664

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5419}}^1$

素因数の和:5668

約数の個数: 20

約数和(自身を含む): 40660840

約数和(自身を除く): 19765176

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5419, 10838, 21676, 43352, 86704, 1305979, 2611958, 5223916, 10447832, 20895664]

約数ペア:

[(1, 20895664), (2, 10447832), (4, 5223916), (8, 2611958), (16, 1305979), (241, 86704), (482, 43352), (964, 21676), (1928, 10838), (3856, 5419)]