20857592

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19603}}^1$

素因数の和:19635

約数の個数: 32

約数和(自身を含む): 47049600

約数和(自身を除く): 26192008

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19603, 39206, 78412, 137221, 156824, 274442, 372457, 548884, 744914, 1097768, 1489828, 2607199, 2979656, 5214398, 10428796, 20857592]

約数ペア:

[(1, 20857592), (2, 10428796), (4, 5214398), (7, 2979656), (8, 2607199), (14, 1489828), (19, 1097768), (28, 744914), (38, 548884), (56, 372457), (76, 274442), (133, 156824), (152, 137221), (266, 78412), (532, 39206), (1064, 19603)]