20777998

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2411}}^1$

素因数の和:2583

約数の個数: 16

約数和(自身を含む): 32417280

約数和(自身を除く): 11639282

約数列:

[1, 2, 31, 62, 139, 278, 2411, 4309, 4822, 8618, 74741, 149482, 335129, 670258, 10388999, 20777998]

約数ペア:

[(1, 20777998), (2, 10388999), (31, 670258), (62, 335129), (139, 149482), (278, 74741), (2411, 8618), (4309, 4822)]