19962016

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20123}}^1$

素因数の和:20164

約数の個数: 24

約数和(自身を含む): 40569984

約数和(自身を除く): 20607968

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20123, 40246, 80492, 160984, 321968, 623813, 643936, 1247626, 2495252, 4990504, 9981008, 19962016]

約数ペア:

[(1, 19962016), (2, 9981008), (4, 4990504), (8, 2495252), (16, 1247626), (31, 643936), (32, 623813), (62, 321968), (124, 160984), (248, 80492), (496, 40246), (992, 20123)]