20156332

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10139}}^1$

素因数の和:10221

約数の個数: 24

約数和(自身を含む): 40884480

約数和(自身を除く): 20728148

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10139, 20278, 40556, 70973, 141946, 283892, 719869, 1439738, 2879476, 5039083, 10078166, 20156332]

約数ペア:

[(1, 20156332), (2, 10078166), (4, 5039083), (7, 2879476), (14, 1439738), (28, 719869), (71, 283892), (142, 141946), (284, 70973), (497, 40556), (994, 20278), (1988, 10139)]