20631616

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10399}}^1$

素因数の和:10442

約数の個数: 28

約数和(自身を含む): 42265600

約数和(自身を除く): 21633984

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10399, 20798, 41596, 83192, 166384, 322369, 332768, 644738, 665536, 1289476, 2578952, 5157904, 10315808, 20631616]

約数ペア:

[(1, 20631616), (2, 10315808), (4, 5157904), (8, 2578952), (16, 1289476), (31, 665536), (32, 644738), (62, 332768), (64, 322369), (124, 166384), (248, 83192), (496, 41596), (992, 20798), (1984, 10399)]